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49-613: [REDACTED] Look up झूला in Wiktionary, the free dictionary. Jhoola may refer to: Swing (seat) , jhoola in Hindi Jhulan Purnima , a Hindu festival Jhoola (1941 film) , a 1941 Indian Hindi-language film, starring Ashok Kumar Jhoola (1962 film) , a 1962 Indian film by K. Shankar Jhoola, Nancowry , a village in India Topics referred to by

98-539: A Carolina porch , is usually found in the Southeastern United States. A portico ( Italian ) is a porch style that utilizes columns or colonnades, and even arches, such as used in Italian modern and contemporary architecture . A loggia is a covered exterior corridor or porch that is part of the ground floor or can be elevated on another level. The roof is supported by columns or arches and

147-406: A Florida room , can be any room or separate structure, usually enclosed with glass, but can be an enclosed porch. A stoop is a landing, usually small, at the top of steps and when covered by a roof is a small porch. In northeastern North America, a porch is a small area, usually unenclosed, at the main-floor height and used as a sitting area or for the removal of working clothes so as not to get

196-418: A porch swing , rocking chairs , or ceiling fans . Porches may be screened to exclude flying insects. Normally, the porch is architecturally unified with the rest of the house, using similar design elements. It may be integrated into the roof line. Many porch railings are designed with importance to the design of the building as well as curb appeal but local, state, or federal zoning laws usually mandate

245-521: A building. Other porches are larger, sometimes extending beyond an entrance by wrapping around the sides of a building, or even wrapping around completely to surround an entire building. A porch can be part of the ground floor or an upper floor, a design used in the Mrs. Lydia Johnson House (built in 1895). The Apadana palace of the city of Persepolis was built in the first half of the 6th century BCE. The palace has open columned verandas on three sides which

294-447: A form of swing made from a whole tire. These are often simply a new or used tire hanging from a tree on a rope. On commercially-developed playground swing sets , oversized new tires are often reinforced with a circular metal bar to improve safety and are hung on chains from metal or wooden beams. They may hang vertically or hang flat, suspended from three or more points on one side. The flat version can hold three or more children. Pumping

343-399: A length of rope to a tree branch, bridge, or other elevated structure. A knot or loop is usually put on the other end to prevent fraying and help the swinger stay on. Rope swings are often situated so that those swinging on them can let go and land in water deep enough to cushion the fall and to be swum around in. The incorporation of a shortboard such as a skateboard in which the rider stands

392-461: A lightweight material such as canvas, netting (or as little as two ropes), typically suspended between two trees or attached to a hammock stand. Tandem swings are swings designed for use by two people at the same time, facing each other or back-to-back, and are almost always part of a swing set due to the frame required to support the weights of the riders. The bench is perpendicular to its frame's center crossbar. Face-to-face tandem benches include

441-535: A long swing consisting of a seat hung with steel bars. In the early 1900s, the playground movement saw swings installed in public spaces for neighborhood children. By the middle of the century, the suburban playground became popular. Many Americans put personal swing sets on their property. Public concern for children's safety influenced a change in design after the 1970s. Tubular metal sets were replaced with smaller swings made of woods and resins better suited for children. The United States Patent and Trademark Office

490-417: A much less common cause of injury in public or school playgrounds, where injuries from climbing equipment dominate. Injuries from swings primarily affect school-age children, but preschool-age children also have a significant risk on swing sets at home. Swinging teaches full body coordination and improves the sensory system of a child. It develops spatial awareness, gross and fine motor skills. It works out

539-409: A parent or sibling pushes the child to get a swinging motion. Some swing sets include play items other than swings, such as a rope ladder or sliding pole. For older children, swings are sometimes made of a flexible canvas seat, of a rubberized ventilated tire tread, of plastic, or of wood. A common backyard sight is a wooden plank suspended on both sides by ropes from a tree branch. Tire swings are

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588-407: A person to comfortably pause before entering or after exiting a building, or to relax on. Many porches are open on the outward side with balustrade supported by balusters that usually encircles the entire porch except where stairs are found. The word "porch" is almost exclusively used for a structure that is outside the main walls of a building or house. Porches can exist under the same roof line as

637-551: A subframe with integrated handles and foot pegs. Face-to-face tandem swings are known in some regions of North America as a "teeter-totter" (not to be confused with the seesaw which it superficially resembles). Back-to-back tandems are typically in the baby bucket design, but with two pairs of leg holes, one on each side of the bench. Tandem swings are typically suspended from their frame (as in kiiking ) by steel bars, although ropes and chains may be used for those used only by smaller children. Face-to-face tandem swings were featured in

686-584: Is a myth, not based on any historical record. By the time of the Song dynasty , swinging became involved in professional acrobatics, where performers would swing between boats over water. The earliest known representations of swings come from artifacts found in Greece . A terracotta sculpture of a woman sitting on a swing was found at Hagia Triada dated to the Late New Palace period (1450–1300 BC). In

735-401: Is a porch that was built or modified to be a type of semi-outdoor sleeping area. A sleeping porch can be an ordinary open porch, screened or with screened windows that can be opened. A rain porch is a type of porch with the roof and columns extended past the deck and reaching the ground. The roof may extend several feet past the porch creating a covered patio. A rain porch, also referred to as

784-478: Is a room or gallery located in front of an entrance of a building. A porch is placed in front of the façade of a building it commands, and forms a low front. Alternatively, it may be a vestibule , or a projecting building that houses the entrance door of a building. Porches exist in both religious and secular architecture. There are various styles of porches, many of which depend on the architectural tradition of its location. Porches allow for sufficient space for

833-520: Is a unique feature among all palace buildings at Persepolis. In Ancient Greek architecture , the peristyle was a continuous porch with a row of columns around the outside of building or a courtyard. An Arizona room is a type of screened porch commonly found in Arizona . A screened porch , also called a screened-in-porch, is a porch that was built or altered to be enclosed with screens that effectively creates an outdoor type room. A sleeping porch

882-414: Is achieved by using one or two of the three chains attached to the swing, and two (or more) children can pump in turn. Tire swings can also be used in spinners , where the occupants use their feet to propel the tire. Natural swings may be created by lianas ( creeper plants ) in a subtropical wild forest like Aokigahara forest near Mount Fuji . Rope swings are swings created by tying one end of

931-526: Is called swing boarding. It is made safer by the use of an attached board and a harness for the rider. Baby swings are swings with a bucket shape with holes for the child's legs, or a half-bucket shape and a safety belt , that is intended to reduce the likelihood of a very young child from falling out. These are sometimes known as bucket swings. Porch swings are swinging, bench-like seats, typically of painted wood and intended primarily for adults. The swing's suspension chains are permanently mounted to

980-470: Is certainly possible to pump a swing with the purely vertical motion one finds that this is not the mechanism of choice at the playground." However, pumping by standing and squatting is used in other parts of the world, for example in the Estonian sport of kiiking . Typical seated pumping also includes a parametric contribution due to the rider sitting up as they approach the top of the forward swing, though

1029-433: Is different from Wikidata All article disambiguation pages All disambiguation pages Swing (seat) On playgrounds, several swings are often suspended from a shared metal or wooden frame, known as a swing set , allowing more than one child to play at a time. Such swings come in a variety of sizes and shapes. For infants and toddlers, swings with leg holes support the child in an upright position while

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1078-414: Is reduced and the swing gains kinetic energy due to conservation of angular momentum (the same mechanism that causes a figure skater to spin faster when they tuck their arms and legs closer to their body). One way to achieve this involves crouching as the swing reaches its highest point and then quickly standing up as it passes its lowest point. Based on observations of U.S. children, Case noted, "Although it

1127-437: Is the gravitational acceleration and l is the chain length. Therefore, if the chain is 2 meters long, the swing must travel at 9.9 meters per second (about 22 miles per hour) at the start of the upswing in order to complete a full rotation. This is not achievable without an external source of propulsion. In contrast, it is entirely possible to go over the bar on a swing with rigid supports, although it becomes more difficult as

1176-398: Is the dominant mechanism for most seated and standing pumping motions. The second mechanism is parametric oscillation , where the driving force arises from varying a system parameter (in this case pendulum length) at a specific frequency. If the center of mass of the swing-rider system shifts closer to the pivot point during the upward portion of the swinging motion, the moment of inertia

1225-569: The Cotswolds , built in 1480, is a well-known example, and there are several others in East Anglia and elsewhere in the UK . In India , porches and verandahs are popular elements of secular and religious architecture. In Hindu temples , the mandapa is a porch-like structure that connects the gopuram (ornate gateway) to the temple. It is used for religious dancing and music, and is a part of

1274-694: The Spring and Autumn period (771–476 BC). In the modern myth, during the Han dynasty swinging continued to rise in popularity and was often performed at the Qingming Festival and the Duanwu Festival . However, this myth has no basis in evidence. The origin of the myth was originally written in a lost book at some point around the 3rd century to 5th century , and the myth is stated in quotations of that book as simply "Others say that", showing it

1323-431: The porch ceiling; and the seat is typically large enough to seat about three people, with an armrest at each end. Porch swings are an alternative to using rocking chairs or gliders outdoors. Canopy swings are similar to porch swings, but they are hung on a separate frame and are usually portable. The name is derived from a canopy installed as a sunshade. Hammock swings are portable (removable) bed-swings made of

1372-517: The 1700s, French artists depicted scenes of nobility swinging recreationally. Charles Wicksteed is thought to be the inventor of the modern-day swing. In 2013, one of his prototypes was unearthed near Wicksteed Park in the United Kingdom dating back to the early 1920s. In 1993, the sport of Kiiking was invented in Estonia . Players attempt to rotate 360 degrees around a spindle, on

1421-548: The church. In later medieval times, the porch sometimes had two storeys, with a room above the entrance which was used as a local school, meeting room, storeroom, or even armoury . If the village or town possessed a collection of books, it would be housed there. Sometimes the church custodian lived in the upper storey and a window into the church would allow supervision of the main church interior. Some British churches have highly ornamented porches, both externally and internally. The south porch at Northleach , Gloucestershire , in

1470-399: The effect is small compared with the driven oscillation mechanism. It is not possible under realistic conditions to swing "over the bar" (i.e., make a full 360-degree rotation) on a swing supported by ropes or chains because the swing must travel at a very high velocity in order to maintain tension in the chain throughout a full circular rotation. Once the chain angle passes 90 degrees from

1519-488: The entire body from pumping legs to grip strength. Swinging also helps teach the child rhythm and balance, and encourages social interaction as children must cooperate and play together. In his 1885 poem, "The Swing," published in A Child's Garden of Verses , Robert Louis Stevenson exclaimed that going "up in a swing" was "the pleasantest thing/ Ever a child can do." Porch A porch (from Old French porche , from Latin porticus "colonnade", from porta "passage")

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1568-409: The fixed pivot at the top. The rider's gravitational potential energy is converted into kinetic energy during the downward portion of the swinging motion and then back into potential energy on the upswing. When left to swing freely, the amplitude of motion will gradually decay due to air resistance and friction in the pivot. To maintain a continuous swinging motion it is necessary to add energy to

1617-539: The height of the railing and spacing of balusters. There are exemptions for houses in historic districts or that are on the National Register of Historic Places . The National Park Service produced a pamphlet or brief concerning Preserving Historic Wood Porches . In Great Britain , the projecting porch had come into common use in churches by early medieval times. They were usually built of stone but occasionally were of timber. Normally they were placed on

1666-789: The home's interior dirty, when the entrance door is accessed via the porch. In the Southwestern United States , ranch-style homes often use a porch to provide shade for the entrance and southern wall of the residence. In the Southern United States and Southern Ontario , Canada , a porch is often at least as broad as it is deep, and it may provide sufficient space for residents to entertain guests or gather on special occasions. Adobe-style homes in Santa Fe, New Mexico , often include large porches for entertainment called " portals ", which are not usually seen in

1715-451: The kinetic energy of the swing. Physicist William B. Case reported that this mechanism can be demonstrated by means of a bicycle wheel mounted on the end of a pendulum. When the wheel is made to rotate one way and then the other, matching the pendulum's natural frequency , the pendulum will begin to swing with gradually increasing amplitude. Both mathematical modeling and experimental studies of human subjects have found that driven oscillation

1764-400: The length of the supports is increased. This is the basis of the sport of kiiking. Swings can cause various types of injuries. The most common injury is due to a fall, either by unintentionally letting go of the ropes or chains or by deliberately jumping out of the swing. Less commonly, the person using the swing will bump into or kick another person who is walking by or playing too close to

1813-488: The more traditional adobe homes. Older American homes, particularly those built during the era of Victorian architecture , or built in the Queen Anne style , often include a porch in both the front and the back of the home. The back porch is used as another sitting space. However, many American homes built with a porch since the 1940s have only a token one, usually too small for comfortable social use and adding only to

1862-577: The outer side is open to the elements. A veranda (also spelled 'verandah') style porch is usually large and may encompass the entire façade as well as the sides of a structure. An extreme example is the Grand Hotel on Mackinac Island, Michigan, which has the longest porch in the world at 660 feet (200 m) in length. A lanai is a roofed, open-sided veranda, patio, or porch originating in Hawaii. A sun porch, or sun room, also referred to as

1911-468: The playground of the Columbia Gardens . Nest swings resemble bird nests in shape and are able to carry multiple people. One or two people propel it by standing on the sides, grabbing the shackles that mount the basket to its typically wooden stand, and tilting it sideways. They are typically installed on playgrounds. There is a common myth that swinging first spread throughout China during

1960-467: The rest of the building, or as towers and turrets that are supported by simple porch posts or ornate colonnades and arches. Examples of porches include those found in Queen Anne style architecture , Victorian style houses , Spanish Colonial Revival architecture , or any of the American Colonial style buildings and homes. Some porches are very small and cover only the entrance area of

2009-401: The rest position, the radial component of the gravitational force acting on the swing begins to pull toward the center of rotation rather than away as it does for smaller angles. If the centrifugal force felt by the swing due to its rotational motion is not sufficient to overcome this radial gravitational force, the swing trajectory will decay until the chain becomes taut again (at which point

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2058-404: The rider experiences a jerk). Bickel et al. determined that, at least in an ideal case, the swing follows a parabolic path in this situation. The same authors also derived an expression for the "critical" initial velocity which would allow the swing to make a full circular rotation: v 0 = 5 g l {\displaystyle v_{0}={\sqrt {5gl}}} where g

2107-409: The same term [REDACTED] This disambiguation page lists articles associated with the title Jhoola . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Jhoola&oldid=1172393221 " Category : Disambiguation pages Hidden categories: Short description

2156-420: The south side of the church, but also on the west and north sides, sometimes in multiple. The porches served to give cover to worshipers, but they also had a liturgical use. At a baptism, the priest would receive the sponsors, with the infant, in the porch and the service began there. A common and similar function could be served at weddings, where the marriage was officiated in the porch, and then blessed inside

2205-445: The swing via a combination of two different mechanisms. The first is driven harmonic oscillation in which the driving force arises from the rotation of the rider's body as it transitions from one position to the other. This rotation creates angular momentum about the center of mass of the swing-rider system which is exchanged for angular momentum about the swing pivot (due to conservation of total angular momentum), thereby increasing

2254-400: The swing, or (especially with improperly located home equipment) will bump into a fence, wall, or another fixed object. Swings are also associated with strangulation or hanging injuries, usually because the child was wearing a piece of clothing or other item that became entangled in the swing. Swings are the most common cause of injury relating to playground equipment at private homes, but

2303-433: The system, either by a second person pushing the swing or by the rider moving their body in a "pumping" motion. To pump the swing while seated, the rider alternates between two body positions: leaning back with legs extended during the forward swing, and then sitting upright with legs tucked during the back-swing. It is also possible to pump a swing by using a similar rocking motion while standing. The action of pumping drives

2352-440: The visual impression of the building. The New Urbanism movement in architecture urges a reversal in this trend, recommending a large front porch, to help build community ties. When spacious enough, a covered porch not only provides protection from sun or rain but comprises, in effect, extra living space for the home during pleasant weather—accommodating chairs or benches, tables, plants, and traditional porch furnishings such as

2401-441: Was disparaged in 2002 for issuing a patent to a five-year-old boy who claimed to have invented swinging sideways as a new form of entertainment. His father, a patent lawyer who wanted to show his son how the patent system worked, had told the boy that he could file a patent application on anything that he invented. The patent was rescinded upon re-examination. A swing can be considered a type of pendulum which oscillates about

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