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81-596: The Fiat Uno is a supermini manufactured and marketed by Fiat . Launched in 1983, the Uno was produced over a single generation (with an intermediate facelift, 1989) in three and five-door hatchback body styles until 1995 in Europe — and until 1 January 2014, in Brazil. Designed by Giorgetto Giugiaro of Italdesign , the Uno strongly recalled the high-roof, up-right packaging of Giugiaro's 1978 Lancia Megagamma concept, in

162-446: A Fiat Palio . It is larger and roomier than the first, but smaller and cheaper than the second. The car has two options of engines: the 1.0 Fire Evo (74 hp) and the 1.4 Fire Evo (87 hp), both able to use ethanol, gasoline or a mix of both fuels . It is being sold in Brazil and several other South American countries as well, but it has yet to be confirmed whether this Uno will be sold in Europe. In December 2013, Fiat launched

243-464: A Ritmo/Strada -derived 1.3 128-series engine with Bosch multi-point fuel injection, Magneti Marelli electronic ignition and a water-cooled IHI turbocharger with an intercooler to reduce intake air temperatures. Engine capacity was initially stated as 1299 cc but this was revised early on in production to 1301 cc. This change was a result of Italy's highway system allowing a higher speed limit to cars of more than 1300 cc. In both forms

324-534: A force is allowed to act through a distance, it is doing mechanical work . Similarly, if torque is allowed to act through an angular displacement, it is doing work. Mathematically, for rotation about a fixed axis through the center of mass , the work W can be expressed as W = ∫ θ 1 θ 2 τ   d θ , {\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}\tau \ \mathrm {d} \theta ,} where τ

405-461: A digital speed display, switchable between km/h and mph. An option on later first series Turbo i.e. models included a simple form of ABS that only operated on the front wheels. The system operated once per ignition cycle, requiring an ignition-initiated reset, had the system been triggered. In mid-1983 the 1.3-litre diesel which had already been seen in the Fiorino and the 147 was installed in

486-496: A dimensions on par or slightly larger than traditional B-segment cars, and often are built on the same platform as B-segment hatchbacks or saloons. B-segment SUVs are usually excluded by analysts from traditional B-segment car sales. 22 percent of SUV global sales were contributed by B-segment SUVs in 2019. One of the first mass-market electric B-segment cars in Europe was the Renault Zoe , released in 2012. Global sales of

567-638: A formal car classification term, eventually being adopted in European Commission classification as the B-segment. The 1990 Renault Clio and 1983 Fiat Uno were significant models in the supermini or the B-segment, being the recipients of the European Car of the Year award. The Clio replaced the long-running Renault 5, although the latter remained in production until 1996. In 1993,

648-602: A global sales of 910,839 units that year, in which 54 percent was contributed by its European sales. It took the world number one spot from the Toyota Corolla at 906,953 sales. Safety features have improved for the cars in the segment. In 1995, both petrol and diesel B-segment vehicles had only around 40 percent of the listed safety options installed (side impact bars, driver/passenger airbag, side airbag, ABS , electronic braking system, stability control), whereas by 2010 they were averaging over 90 percent. This represents

729-415: A length of approximately 3.7–4.2 m (146–165 in), and may vary depending on the body styles, markets, and era. In some cases, the same car may be differently positioned depending on the market. The Euro NCAP vehicle class called "Supermini" also includes smaller A-segment cars alongside B-segment cars. In Britain, the term "supermini" is more widely used for B-segment hatchbacks. The term

810-631: A manufacturer of the Jeepney , partnered with Fiat to create a joint venture called Italcar Pilipinas Inc. in 1990. They assembled the Fiat Uno from 1992–2000 under the People's Car Program, which was an incentive by the government of President Corazon Aquino to stimulate car production in the Philippines. The joint venture hoped to compete with the Toyota Corolla and Nissan Sentra with the Uno in

891-669: A more expensive offering. Examples include the Ford Fiesta ST , Hyundai i20 N , Peugeot 208 GTi , Suzuki Swift Sport , Toyota GR Yaris , Volkswagen Polo GTI , among others. B-segment MPV (also called mini MPV or B-MPV) are taller and/or longer derivatives of B-segment hatchbacks with an emphasis in interior space and practicality. Examples are the Citroën C3 Picasso , Fiat 500L , and Ford B-Max . B-segment crossovers or SUVs (also called subcompact crossover SUV, small SUV, or B-SUV ) are crossovers/SUVs that has

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972-491: A popular choice of car for "petit-taxi" use. The Uno was first assembled in Turkey in 1994 and the production ran until 2000. Only the five-door bodystyle was assembled in Turkey. The engine options were 1.4, and 1.4 i.e. The fully equipped version was named Uno Hobby; it offered power steering and AC. It also differed from regular Unos in being available only in one colour option, sky blue with silver bumpers. In South Africa ,

1053-567: A short period the Cento (999 cc). After Fiat re-entered the South African market in 1998 Unos were rebadged as either the (1,108 cc) Mia or (1,372 cc) Tempo. They also featured the Fiat centenary badge from that point on. By the time initial production of the Uno ended in 2006 only the (1,108 cc) Mia was available for sale. 110,000 units were produced between 1990 and 2002. In 2007, the Fiat Uno

1134-504: A significant improvement in vehicle safety over the period, despite petrol and diesel B-segment vehicles averaging an inflation-adjusted price increase of 6 percent and 15 percent respectively. Studies from the European Union and JATO has found that the average maximum power output of B-segment vehicles has increased by 40 percent between 1995 and 2010, while the average overall vehicle weight only increased by around 20 percent in

1215-762: A single point particle is: L = r × p {\displaystyle \mathbf {L} =\mathbf {r} \times \mathbf {p} } where p is the particle's linear momentum and r is the position vector from the origin. The time-derivative of this is: d L d t = r × d p d t + d r d t × p . {\displaystyle {\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}=\mathbf {r} \times {\frac {\mathrm {d} \mathbf {p} }{\mathrm {d} t}}+{\frac {\mathrm {d} \mathbf {r} }{\mathrm {d} t}}\times \mathbf {p} .} This result can easily be proven by splitting

1296-620: A smaller configuration. With over 8,800,000 built, it is the eighth most produced automobile platform in history, after the Volkswagen Beetle , Ford Model T , Fiat 124 , 1965–1970 GM B platform , 1981–1997 GM J platform , 1961–1964 GM B platform, and 1977–1990 GM B platform. The Uno name was reintroduced in 2010 in South America for the Fiat Mini (Economy) platform based car built in Brazil. The Fiat Uno (Type 146)

1377-498: A twist applied to turn a shaft is better than the more complex notion of applying a linear force (or a pair of forces) with a certain leverage. Today, torque is referred to using different vocabulary depending on geographical location and field of study. This article follows the definition used in US physics in its usage of the word torque . In the UK and in US mechanical engineering , torque

1458-648: Is a general proof for point particles, but it can be generalized to a system of point particles by applying the above proof to each of the point particles and then summing over all the point particles. Similarly, the proof can be generalized to a continuous mass by applying the above proof to each point within the mass, and then integrating over the entire mass. In physics , rotatum is the derivative of torque with respect to time P = d τ d t , {\displaystyle \mathbf {P} ={\frac {\mathrm {d} {\boldsymbol {\tau }}}{\mathrm {d} t}},} where τ

1539-407: Is defined as the product of the magnitude of the perpendicular component of the force and the distance of the line of action of a force from the point around which it is being determined. In three dimensions, the torque is a pseudovector ; for point particles , it is given by the cross product of the displacement vector and the force vector. The direction of the torque can be determined by using

1620-471: Is referred to as moment of force , usually shortened to moment . This terminology can be traced back to at least 1811 in Siméon Denis Poisson 's Traité de mécanique . An English translation of Poisson's work appears in 1842. A force applied perpendicularly to a lever multiplied by its distance from the lever's fulcrum (the length of the lever arm ) is its torque. Therefore, torque

1701-425: Is the moment of inertia of the body and ω is its angular speed . Power is the work per unit time , given by P = τ ⋅ ω , {\displaystyle P={\boldsymbol {\tau }}\cdot {\boldsymbol {\omega }},} where P is power, τ is torque, ω is the angular velocity , and ⋅ {\displaystyle \cdot } represents

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1782-405: Is the newton-metre (N⋅m). For more on the units of torque, see § Units . The net torque on a body determines the rate of change of the body's angular momentum , τ = d L d t {\displaystyle {\boldsymbol {\tau }}={\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}} where L is the angular momentum vector and t

1863-1748: Is time. For the motion of a point particle, L = I ω , {\displaystyle \mathbf {L} =I{\boldsymbol {\omega }},} where I = m r 2 {\textstyle I=mr^{2}} is the moment of inertia and ω is the orbital angular velocity pseudovector. It follows that τ n e t = I 1 ω 1 ˙ e 1 ^ + I 2 ω 2 ˙ e 2 ^ + I 3 ω 3 ˙ e 3 ^ + I 1 ω 1 d e 1 ^ d t + I 2 ω 2 d e 2 ^ d t + I 3 ω 3 d e 3 ^ d t = I ω ˙ + ω × ( I ω ) {\displaystyle {\boldsymbol {\tau }}_{\mathrm {net} }=I_{1}{\dot {\omega _{1}}}{\hat {\boldsymbol {e_{1}}}}+I_{2}{\dot {\omega _{2}}}{\hat {\boldsymbol {e_{2}}}}+I_{3}{\dot {\omega _{3}}}{\hat {\boldsymbol {e_{3}}}}+I_{1}\omega _{1}{\frac {d{\hat {\boldsymbol {e_{1}}}}}{dt}}+I_{2}\omega _{2}{\frac {d{\hat {\boldsymbol {e_{2}}}}}{dt}}+I_{3}\omega _{3}{\frac {d{\hat {\boldsymbol {e_{3}}}}}{dt}}=I{\boldsymbol {\dot {\omega }}}+{\boldsymbol {\omega }}\times (I{\boldsymbol {\omega }})} using

1944-451: Is torque, and θ 1 and θ 2 represent (respectively) the initial and final angular positions of the body. It follows from the work–energy principle that W also represents the change in the rotational kinetic energy E r of the body, given by E r = 1 2 I ω 2 , {\displaystyle E_{\mathrm {r} }={\tfrac {1}{2}}I\omega ^{2},} where I

2025-818: Is torque. This word is derived from the Latin word rotātus meaning 'to rotate', but the term rotatum is not universally recognized but is commonly used. There is not a universally accepted lexicon to indicate the successive derivatives of rotatum, even if sometimes various proposals have been made. Using the cross product definition of torque, an alternative expression for rotatum is: P = r × d F d t + d r d t × F . {\displaystyle \mathbf {P} =\mathbf {r} \times {\frac {\mathrm {d} \mathbf {F} }{\mathrm {d} t}}+{\frac {\mathrm {d} \mathbf {r} }{\mathrm {d} t}}\times \mathbf {F} .} Because

2106-506: Is valid for any type of trajectory. In some simple cases like a rotating disc, where only the moment of inertia on rotating axis is, the rotational Newton's second law can be τ = I α {\displaystyle {\boldsymbol {\tau }}=I{\boldsymbol {\alpha }}} where α = ω ˙ {\displaystyle {\boldsymbol {\alpha }}={\dot {\boldsymbol {\omega }}}} . The definition of angular momentum for

2187-624: Is zero because velocity and momentum are parallel, so the second term vanishes. Therefore, torque on a particle is equal to the first derivative of its angular momentum with respect to time. If multiple forces are applied, according Newton's second law it follows that d L d t = r × F n e t = τ n e t . {\displaystyle {\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}=\mathbf {r} \times \mathbf {F} _{\mathrm {net} }={\boldsymbol {\tau }}_{\mathrm {net} }.} This

2268-681: The A0-class in China, and the supermini category for B-segment hatchbacks in Great Britain. Category:Subcompact cars   ( 306 ) Torque The term torque (from Latin torquēre , 'to twist') is said to have been suggested by James Thomson and appeared in print in April, 1884. Usage is attested the same year by Silvanus P. Thompson in the first edition of Dynamo-Electric Machinery . Thompson motivates

2349-570: The Frankfurt Motor Show in September 1989, the Uno received a facelift with revised front styling and revised tailgate, the latter improving the drag coefficient to Cd 0.30,. The interior was revised with a new dashboard which dispensed with the pod-style switchgear in favour of conventional stalks on the steering column. The 1.1 litre engine was replaced by a FIRE version, and a Fiat Tipo -derived 1.4 litre (1,372 cc) engine replaced

2430-549: The Italian Fiat 127). The clamshell design of the bonnet was also unique, since the Brazilian Uno kept the spare tyre located in the engine bay, like the old Fiat 147, thus saving extra space for the luggage in the boot. Originally sold with 1.05, 1.3 or 1.5 litre petrol engines (also in versions made to run on ethanol), and a 1.6 litre was added to the lineup in 1989. The now redundant 1.5 was cancelled, but another 1.5

2511-527: The Mille Economy and Mille Way continued until January 2014 3, only with a 1.0 litre engine. The Uno Furgão van was a light commercial version of the three-door Uno hatchback with blinded rear windows and no rear seat. It and the Fiorino Furgão were available with a 1.25 litre Fire engine. Petrol After an abortive launch in 1996 when its CKD joint partner PAL delivered only 617 cars of

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2592-666: The Nissan Micra (K11) , became the first Japanese car company to be receive the European Car of the Year award. In 1999, the Toyota Yaris received the European Car of the Year award, and was noted for its high roof which allowed for improved interior space. Another notable model is the Opel Corsa , which was the best-selling car in the world in the year 1998 thanks to its extensive international presence. It recorded

2673-827: The Vauxhall Nova in the UK), quickly gaining competition from the Ford Fiesta and Nissan Micra . United Kingdom sales began in June 1983, with more than 20,000 sold in its first full year and peaking at more than 40,000 sales in 1988. In December 1983, the Uno was European Car of the Year for 1984, finishing narrowly ahead of the Peugeot 205. Initially, the Uno was offered with the 0.9 litre (903 cc) 100-series OHV , 1.1 litre (1116 cc) and 1.3 litre (1301 cc) 128-series SOHC petrol engines and transmissions carried over from

2754-460: The right hand grip rule : if the fingers of the right hand are curled from the direction of the lever arm to the direction of the force, then the thumb points in the direction of the torque. It follows that the torque vector is perpendicular to both the position and force vectors and defines the plane in which the two vectors lie. The resulting torque vector direction is determined by the right-hand rule. Therefore any force directed parallel to

2835-414: The scalar product . Algebraically, the equation may be rearranged to compute torque for a given angular speed and power output. The power injected by the torque depends only on the instantaneous angular speed – not on whether the angular speed increases, decreases, or remains constant while the torque is being applied (this is equivalent to the linear case where the power injected by a force depends only on

2916-548: The 0.9 litre unit. This was a lighter engine, built with fewer parts, and gave improved performance and economy. The most luxurious version, the single-point injected 75 SX i.e., had remote door locks, integrated front foglamps, and the oval exhaust tip also used on the Turbo. In April 1985 the hot hatch version of the first series Uno – the Uno Turbo i.e. – was launched as a three-door only derivative. The Turbo i.e. model used

2997-405: The 127. Typical for Fiats of the era, the Uno's badging did not reflect engine size but indicated metric horsepower output: 45, 55, 60, 70, or 75. The Uno was available as either a three or five-door hatchback. It also featured ergonomic switchgear clusters each side of the main instrument binnacle, user-operable with hands on the steering wheel, with only a single steering column stalk to control

3078-585: The 128/Ritmo/Strada-derived 1.3 litre in both naturally aspirated and turbo versions. A 1.4 litre Uno Turbo could reach a claimed 204 km/h (127 mph), while the 1.0 version only managed 140–145 km/h (87–90 mph) depending on which transmission was fitted. The Uno Turbo i.e. variant was also restyled, upgraded with a Garret T2 turbine, Bosch LH Jetronic fuel injection and better aerodynamics. Uno production ended in Italy in 1995 with 6,032,911 manufactured in Fiat's Italian factories. From 1994 to 2002, Uno

3159-523: The 1980s, peaking at more than 40,000 sales in 1988. However, by March 2019 there were just 232 examples of either generation still in use. The Fiat Uno name was resurrected for project Type 327 , the Brazilian-built "Novo Uno" (New Uno). The new Uno is engineered at Brazil and co-designed with Turin's Centro Stile Fiat, and is basically a more urban interpretation of the Fiat Panda style on

3240-420: The 1990s it was imported in Italy as " Innocenti Mille". In the second half of the 1980s and the first half of the 1990s, the Uno was also available as a saloon, a pick-up, and in a wagon version. These are called Prêmio, Fiorino Pick-Up, and Elba respectively. The Brazilian Uno featured an independent, transverse leaf spring suspension at the rear, based on the tried and tested Brazilian Fiat 147 (similar to

3321-446: The 2004 model year. A Fire engine was used since 2001. The 2005 Brazilian range has received a Flex Fuel system, enabling the car to use ethanol or gasoline as fuel, both pure or in any proportion mixture; also, there is a version fitted for unpaved roads called Mille Way , which includes higher and a more resilient suspension, larger wheels and side cladding. 44 Despite the launch of the new Brazilian-built Uno in 2010, production of

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3402-733: The 30,000 ordered, Fiat started its venture as a 50-50 Industrial Joint Venture between Fiat Group Automobiles S.p.A. (Fiat) and Tata Motors Limited in January 1997. At present the company employs about 600 employees in its Ranjangaon facility in the Pune District of Maharashtra. The Uno was initially a success in India, but then it faded badly due to poor dealer support. The Fiat Uno was also assembled in Morocco until 2003 by SOMACA (Société Marocaine des Constructions Automobiles), and remains

3483-699: The GSR semi-automatic transmission, and added a new "Drive" version to be the new base model and only kept that and the "Attractive" version only with the 1.0 Firefly engine and in mid-2018 the Way version was brought back in with both 1.0 and 1.3 engines In 2021 the model was no longer offered with the Firefly engine, it returned to the old 1.0 73/75 PS Fire Evo, only in the Attractive version. The Way, Sporting and Drive versions were discontinued. The model production ended at

3564-893: The Uno Cabrio concept car was presented; the prototype has two seats and a body kit. The engine is the 1.4 Fire T-Jet 16V that produced 152 HP. Supermini The B-segment is the second smallest of the European segments for passenger cars between the A-segment and C-segment , and commonly described as "small cars". The B-segment is the largest segment in Europe by volume, accounting for 20 percent of total car sales in 2020 according to JATO Dynamics . B-segment cars include hatchback, saloon , estate , coupe / convertible , MPV , and crossover / SUV body styles. The European segments are not based on size or weight criteria. In practice, B-segment cars have been described as having

3645-603: The Uno as well, originally only for the Italian market. The Brazilian-built engine was derived from 124-series engines, and was never sold in the United Kingdom. It was added to other European markets beginning in early 1984. Daily production in mid-1983 was 280 cars, out of a daily total of 2000. It was sold as the Uno D (three doors) or the Uno DS ("Super", five doors). This badging was the only external giveaway, while in

3726-461: The Uno continued to be manufactured and sold in many other regions. In Argentina, the 3-door Fiat Uno was produced by Sevel Argentina from March 1989 to 2000, 179,767 units were built. The Uno's Fiasa engines ranged from the 1,049 cc 52 PS (38 kW) petrol four to a 1.3 and 1.5 litre version, with a 1.3-litre 45 PS (33 kW) diesel engine also available. The 1.6-litre Lampredi SOHC 87 PS (64 kW) SCV/SCR version sat at

3807-514: The Uno was assembled under licence by Nissan from 1990 until 1998 and then by Fiat from 1998 up until 2006. Unos manufactured by Nissan had the word "licence" underneath the Fiat badge on the rear end and models included the 1,108 cc FIRE,1,372 cc PACER, PACER SX and 1,372 cc TURBO. Later on there were also a number of special editions produced which included the Beat (1,372 cc), the Rio (1,108 cc) and for

3888-634: The Zoe achieved the 50,000 unit milestone in June 2016, and 200,000 units by March 2020. Other manufacturers followed suit; Groupe PSA introduced the Peugeot e-208 and Opel Corsa-e in 2019, while Honda followed with the low-volume Honda e , and Mini with their Mini Electric . The B-segment is considered as the European equivalent to the subcompact category widely known in North America,

3969-721: The above expression for work, , gives W = ∫ s 1 s 2 F ⋅ d θ × r {\displaystyle W=\int _{s_{1}}^{s_{2}}\mathbf {F} \cdot \mathrm {d} {\boldsymbol {\theta }}\times \mathbf {r} } The expression inside the integral is a scalar triple product F ⋅ d θ × r = r × F ⋅ d θ {\displaystyle \mathbf {F} \cdot \mathrm {d} {\boldsymbol {\theta }}\times \mathbf {r} =\mathbf {r} \times \mathbf {F} \cdot \mathrm {d} {\boldsymbol {\theta }}} , but as per

4050-422: The brakes upgraded to vented discs on the front and solid discs on the rear. The Turbo i.e. featured 'sports' seats, red carpet and an extended centre-console. Later models featured red seatbelts. Options on the Turbo i.e. model included polished Cromodora wheels, electric windows, manual sunroof and digital instrument panel, the latter with bar-graphs for fuel level, coolant temperature, boost pressure, etc., and

4131-708: The country in 2020. The term supermini, which precedes the B-segment term, emerged in the UK in the 1970s, as car manufacturers sought a new design to surpass the influential Mini , launched in 1959, and journalists attempted to categorise such a vehicle. The car which is widely regarded as the first modern supermini is the Autobianchi A112 , launched in 1969. It was later followed by the Fiat 127 , Renault 5 , VW Polo and Honda Civic , which are similar in concept and size. These supermini or B-segment cars were considered to feature better comfort and convenience, with

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4212-439: The definition of torque, and since the parameter of integration has been changed from linear displacement to angular displacement, the equation becomes W = ∫ θ 1 θ 2 τ ⋅ d θ {\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}{\boldsymbol {\tau }}\cdot \mathrm {d} {\boldsymbol {\theta }}} If

4293-411: The derivative of a vector is d e i ^ d t = ω × e i ^ {\displaystyle {d{\boldsymbol {\hat {e_{i}}}} \over dt}={\boldsymbol {\omega }}\times {\boldsymbol {\hat {e_{i}}}}} This equation is the rotational analogue of Newton's second law for point particles, and

4374-706: The end of this year with the Fiat Uno Ciao limited edition (250 units). Fiat manufactured a total of 4,379,356 Fiat Unos, across all generations, at its Betim plant in Brazil. A Brazilian Fiat Uno was tested by Latin NCAP in 2011 and has been rated as highly unsafe, scoring only one star for adult occupants and two stars for children. Another test made in 2013 rated zero stars. At the São Paulo International Motor Show in October 2010

4455-462: The engine offered 105 PS (77 kW; 104 hp) but owners report that the 1301 cc version was notably more responsive and had greater torque than the earlier 1299 cc unit. Cars built from 1985 to late 1987 were fitted with a Ritmo/Strada -derived five-speed gearbox. This was then replaced by a newly developed 'C510' five-speed gearbox, featuring a more durable differential and improved gearchange linkage. Ratios were unchanged between

4536-603: The front. It had also had its own engines, part of the "Brazil" engine series . From 1988 to 1994, first series Uno was assembled in Kragujevac , Yugoslavia by Zastava . It was fitted with a 903 cc 45 PS (33 kW) engine also used in the Yugo 45 . Only the three-door version was available. Due to a higher price than the Yugo, the Uno 45R was discontinued in 1994, after 2,620 examples had been produced. First shown at

4617-568: The infinitesimal linear displacement d s {\displaystyle \mathrm {d} \mathbf {s} } is related to a corresponding angular displacement d θ {\displaystyle \mathrm {d} {\boldsymbol {\theta }}} and the radius vector r {\displaystyle \mathbf {r} } as d s = d θ × r {\displaystyle \mathrm {d} \mathbf {s} =\mathrm {d} {\boldsymbol {\theta }}\times \mathbf {r} } Substitution in

4698-586: The instantaneous speed – not on the resulting acceleration, if any). The work done by a variable force acting over a finite linear displacement s {\displaystyle s} is given by integrating the force with respect to an elemental linear displacement d s {\displaystyle \mathrm {d} \mathbf {s} } W = ∫ s 1 s 2 F ⋅ d s {\displaystyle W=\int _{s_{1}}^{s_{2}}\mathbf {F} \cdot \mathrm {d} \mathbf {s} } However,

4779-411: The interior an oil pressure gauge was added. It also received extra sound insulation under the hood and along the firewall. The engine has 45 PS (33 kW), as did the smallest 903 cc petrol unit, but with considerably higher torque. The weight penalty was 121 kg (267 lb) rather than 79 kg (174 lb) for the 903. Additional accessories and sound deadening measures accounted for

4860-586: The manufacturing plant had to be closed down. Only the diesel variant of the car was made available under the 1.7D model. Although large scale manufacturing of the car has ceased, stocks of CKD are still being assembled and sold at present. Around 300,000 examples of the Uno were sold in Britain between 1983 and 1995, with the MK1 proving more popular than the MK2. It was one of the most popular imported cars in Britain during

4941-465: The new Uno-based Fiorino panel van (project Type 327 ), successor of the old Fiorino. In September 2014, Fiat unveiled a facelift for the Uno and introduced the Start & Stop system in the 1.4 Fire engine. In 2016, Fiat launched another facelift for the Uno and introduced the Firefly engine, Available as a 1.0 or an 1.3 engine. In 2018, Fiat removed the Way and Sporting trims and their versions with

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5022-683: The particle's position vector does not produce a torque. The magnitude of torque applied to a rigid body depends on three quantities: the force applied, the lever arm vector connecting the point about which the torque is being measured to the point of force application, and the angle between the force and lever arm vectors. In symbols: τ = r × F ⟹ τ = r F ⊥ = r F sin ⁡ θ {\displaystyle {\boldsymbol {\tau }}=\mathbf {r} \times \mathbf {F} \implies \tau =rF_{\perp }=rF\sin \theta } where The SI unit for torque

5103-528: The rate of change of force is yank Y {\textstyle \mathbf {Y} } and the rate of change of position is velocity v {\textstyle \mathbf {v} } , the expression can be further simplified to: P = r × Y + v × F . {\displaystyle \mathbf {P} =\mathbf {r} \times \mathbf {Y} +\mathbf {v} \times \mathbf {F} .} The law of conservation of energy can also be used to understand torque. If

5184-520: The remainder of the 100 kg (220 lb) weight difference, almost all of it over the front wheels. In 1986, a 1.7 litre diesel engined 60DS version was launched together with the Uno Selecta continuously variable transmission (CVT) automatic. The 1.7L naturally aspirated diesel was the only diesel Uno sold in the UK. The CVT transmission was a co-development with Dutch Van Doorne and Ford, (Fiat owned 24% stake of Van Doorne at that time). There

5265-467: The safety and surefootedness of the Mini's front-wheel drive/transverse engine package. That meant the addition of a hatchback and folding rear seats. The oil crisis in the 1970s was also argued to increase supermini market share. In 1976, Ford launched the Ford Fiesta which became popular. The segment began to be more popular in the 1980s. By the mid-1980s, the term supermini had become established as

5346-470: The same period. Fuel consumption has decreased by around 20 percent, and power-to-weight ratio has increased by 15 percent. Hatchback is the most popular body style for the segment. While the majority is equipped with five doors, many European-oriented hatchbacks was offered with both three-door and five-door versions, with 31 percent of European customers opting for three-door B-segment hatchbacks by 2007. The share has decreased to 13 percent in 2016 due to

5427-554: The shift of market preference which is moving towards prioritizing usability and practicality. As the result, by late 2010s, a number of manufacturers had stopped offering three-door versions of its B-segment hatchback models in Europe. Other body styles currently available in the segment in Europe are saloon (example: Dacia Logan ), estate (example: Dacia Logan MCV and Škoda Fabia Combi ), and coupe/convertible (example: Mini Cooper Cabrio/Convertible ). Performance-oriented versions of B-segment hatchbacks were developed and sold as

5508-587: The taxicab market, which accounted for many sales. The Uno was not popular and production decreased yearly until the venture was terminated in 2000. Production in Fiat's factory in Poland ran until 2002. 173,382 units were built from June 1995 to October 2002. It was imported in Italy as Innocenti Mille Clip. The Fiat Uno is also assembled from complete knock down (CKD) kits in Pakistan by Raja Motor Company. Production started in 2001 and continued until 2004 when

5589-479: The term as follows: Just as the Newtonian definition of force is that which produces or tends to produce motion (along a line), so torque may be defined as that which produces or tends to produce torsion (around an axis). It is better to use a term which treats this action as a single definite entity than to use terms like " couple " and " moment ", which suggest more complex ideas. The single notion of

5670-530: The top of the range. A 1.7 liter diesel with 58 PS (43 kW) was added in 1992 and soon displaced the 1.3 option. A saloon version with four doors was also produced from 1988 to 2001. Called Duna or Elba (station wagon), 257,259 units of this version were built in Fiat's Córdoba plant. The car was made in Brazil until January 2014 in three versions: Mille Economy, Uno Furgão (panel van) and Fiorino Furgão . A total of 3.6 million Unos and Milles were built in Brazil during its 30-year production run. During

5751-875: The torque and the angular displacement are in the same direction, then the scalar product reduces to a product of magnitudes; i.e., τ ⋅ d θ = | τ | | d θ | cos ⁡ 0 = τ d θ {\displaystyle {\boldsymbol {\tau }}\cdot \mathrm {d} {\boldsymbol {\theta }}=\left|{\boldsymbol {\tau }}\right|\left|\mathrm {d} {\boldsymbol {\theta }}\right|\cos 0=\tau \,\mathrm {d} \theta } giving W = ∫ θ 1 θ 2 τ d θ {\displaystyle W=\int _{\theta _{1}}^{\theta _{2}}\tau \,\mathrm {d} \theta } The principle of moments, also known as Varignon's theorem (not to be confused with

5832-403: The turn signals and horn - thus dispensing from Fiat's traditional three-stalk system that had been employed on its cars since the late 1960s. The Uno had MacPherson strut independent front suspension and twist-beam rear suspension with telescopic dampers and coil springs. From 1985, the 1.0 litre (999 cc) SOHC Fully Integrated Robotised Engine (FIRE) powerplant was offered, replacing

5913-479: The two units. The Turbo reached 205 km/h (127 mph), establishing it as one of the very fastest hot hatches of the 1980s. Externally, the Turbo i.e. model featured black plastic sill trims, arch extensions, fibreglass tailgate with spoiler, tinted side glass, side decals, revised front bumper with foglamps and inlets/scoops to direct air to the oil cooler and intercooler. Suspension was lowered and uprated, 13" alloy wheels with Pirelli P6 tyres were fitted and

5994-733: The vectors into components and applying the product rule . But because the rate of change of linear momentum is force F {\textstyle \mathbf {F} } and the rate of change of position is velocity v {\textstyle \mathbf {v} } , d L d t = r × F + v × p {\displaystyle {\frac {\mathrm {d} \mathbf {L} }{\mathrm {d} t}}=\mathbf {r} \times \mathbf {F} +\mathbf {v} \times \mathbf {p} } The cross product of momentum p {\displaystyle \mathbf {p} } with its associated velocity v {\displaystyle \mathbf {v} }

6075-415: Was also a 1.4-liter turbodiesel ( Uno Turbo D ), which offered 72 PS (53 kW). This model was very quick for a small diesel at the time, and had better acceleration than the petrol-engined Uno 70, while fuel consumption was about a third lower. Noise levels were actually marginally lower than those of the 70 SX. The suspension was firmer to accommodate the heavier engine, while an oil temperature gauge

6156-604: Was developed in the 1970s as an informal categorisation, and by 1977 was used regularly by the British newspaper The Times . By the mid-1980s, it had widespread use in Britain. In Germany, the term "small cars" ( German : Kleinwagen ) has been endorsed by the Federal Motor Transport Authority ( Kraftfahrt-Bundesamt  [ de ] , KBA) equivalent to the B-segment. The segment accounts for 15.1 percent of total car registrations in

6237-507: Was introduced in 1991, this one derived from the 1.3. The Brazilian Fiat Uno family was topped by a sporting turbocharged 1.4-litre inline-four version (118 HP), the Uno Turbo i.e. This model was available between 1994 and 1996 and was part of the regularly available lineup; 1801 units were produced. From 1990 to 2014, a 1.0 litre version was sold as the Fiat Mille , as a budget entry-level model, and received its most recent facelift for

6318-529: Was launched in January 1983 to replace the Fiat 127 . The tall, square body used a Kamm tail , achieved a drag coefficient of 0.34 and was noted for its interior space, fuel economy as well as its ride and handling. The project name was Tipo Uno ("Type 1"), as it followed the Tipo Zero ( Panda ). Launched a month before the Peugeot 205 , a noted competitor, the Uno went on sale just after General Motors launched its new Opel Corsa supermini (marketed as

6399-663: Was manufactured in Poland for Fiat Auto Poland . Polish-made Unos were marketed in Italy until 1997 as the Innocenti Mille Clip . Polish production initially took place in Bielsko-Biała , and from 2000 to 2002 in Tychy . Engines available were three petrol units (all naturally aspirated and fuel injected) – 0.9 litre from Seicento (years 1999–2002 only), 1.0 fire, 1.4 and one naturally aspirated diesel unit of 1.7 litres. After Western European production and sales ceased,

6480-517: Was redesigned and it re-entered the South African new car market. The car was now marketed and distributed by Fiat themselves. The model line-up includes the Uno Way , which has a higher suspension than the regular Uno and colour-coded bumpers. It is based on the 1983–1990 design, and is powered by a 1.2 litre 4-cylinder petrol engine. Local manufacturer Francisco Motors, primarily known as

6561-474: Was standard fitment. The Uno was also produced in Brazil, called Uno CS, and imported in some European countries. But it was a totally different car: it was riding on a Fiat 147 -derived platform, with four-wheel MacPherson suspension (with transverse leaf spring at the rear). Visual differences from the European Uno were the fuel cap, placed on the left, and the bonnet, of a clamshell design and hinged at

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