A seesaw (also known as a teeter-totter) is a long, narrow board supported by a single pivot point, most commonly located at the midpoint between both ends; as one end goes up, the other goes down. These are most commonly found at parks and school playgrounds.
Mechanically, a seesaw is a lever which consists of a beam and fulcrum with the effort and load on either side. [1]
The most common playground design of seesaw features a board balanced in the center. A person sits on each end, and they take turns pushing their feet against the ground to lift their side into the air. Playground seesaws usually have handles for the riders to grip as they sit facing each other. One problem with the seesaw's design is that if a child allows himself/herself to hit the ground suddenly after jumping, or exits the seesaw at the bottom, the other child may fall and be injured. For this reason, seesaws are often mounted above a soft surface such as foam, wood chips, or sand.
Seesaws are also manufactured in shapes designed to look like other things, such as airplanes, helicopters, [2] and animals.
Seesaws, and the eagerness of children to play with them, are sometimes used to aid in mechanical processes. For example, at the Gaviotas community in Colombia, a children's seesaw is connected to a water pump. [3] [4]
In 2019, a set of seesaws were installed spanning the US-Mexico border fence between El Paso and Ciudad Juárez. [5]
Seesaws go by several different names around the world. Seesaw, or its variant see-saw, is a direct Anglicisation of the French ci-ça, meaning literally, this-that, seemingly attributable to the back-and-forth motion for which a seesaw is known.[ citation needed ]
The term may also be attributable to the repetitive motion of a saw. It may have its origins in a combination of "scie" – the French word for "saw" with the Anglo-Saxon term "saw". Thus "scie-saw" became "see-saw". Another possibility is the situation of the apparent appearance, disappearance, and re-emergence of the person, seated opposite one's position, as they, seemingly, "rise" and "fall", against a changing, oscillating background - therefore: "I see you", followed by, "I saw you".
In the northern inland and westernmost region of the United States, a seesaw is also called a "teeter-totter." According to linguist Peter Trudgill, the term originates from the Norfolk dialect word tittermatorter. [6] A "teeter-totter" may also refer to a two-person swing on a swing seat, on which two children sit facing each other and the teeter-totter swings back and forth in a pendulum motion.
Both teeter-totter (from teeter, as in to teeter on the edge) and seesaw (from the verb saw) demonstrate the linguistic process called reduplication, where a word or syllable is doubled, often with a different vowel. Reduplication is typical of words that indicate repeated activity, such as riding up and down on a seesaw.
In the southeastern New England region of the United States, it is sometimes referred to as a tilt or a tilting board.
According to Michael Drout, "There are almost no 'Teeter-' forms in Pennsylvania, and if you go to western West Virginia and down into western North Carolina there is a band of 'Ridey-Horse' that heads almost straight south. This pattern suggests a New England term that spread down the coast and a separate, Scots-Irish development in Appalachia. 'Hickey-horse' in the coastal regions of North Carolina is consistent with other linguistic and ethnic variations." [7]
In the early 2000s, seesaws were removed from many playgrounds in the United States, citing safety concerns. [8] However, some people [ who? ] have questioned whether or not the seesaws should have been removed, indicating the fun provided by seesaws may outweigh the safety risk posed using them. [9]
Swiss German is any of the Alemannic dialects spoken in the German-speaking part of Switzerland, and in some Alpine communities in Northern Italy bordering Switzerland. Occasionally, the Alemannic dialects spoken in other countries are grouped together with Swiss German as well, especially the dialects of Liechtenstein and Austrian Vorarlberg, which are closely associated to Switzerland's.
The Black Speech is one of the fictional languages constructed by J. R. R. Tolkien for his legendarium, where it was spoken in the evil realm of Mordor. In the fiction, Tolkien describes the language as created by Sauron as a constructed language to be the sole language of all the servants of Mordor.
In linguistics, reduplication is a morphological process in which the root or stem of a word or even the whole word is repeated exactly or with a slight change.
In grammar, a frequentative form of a word is one that indicates repeated action but is not to be confused with iterative aspect. The frequentative form can be considered a separate but not completely independent word called a frequentative. The frequentative is no longer productive in English, unlike in some language groups, such as Finno-Ugric, Balto-Slavic, and Turkic.
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A swing is a seat, often found at playgrounds for children, at a circus for acrobats, or on a porch for relaxing, although they may also be items of indoor furniture, such as the Latin American hammock or the Indian oonjal. The seat of a swing may be suspended from chains or ropes. Once a swing is in motion, it continues to oscillate like a pendulum until external interference or drag brings it to a halt. Swing sets are very popular with children.
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Eastern Pomo, also known as Clear Lake Pomo, is a nearly extinct Pomoan language spoken around Clear Lake in Lake County, California by one of the Pomo peoples.
Jambi Malay, is a Malayic language primarily spoken by the Jambi Malay people in Jambi, Indonesia, but also spoken by migrants who have settled in Jambi. Jambi Malay is considered as a dialect of the Malay language that is mainly spoken in Jambi, but it is also used in the southern part of Riau and the northern part of South Sumatra. In Jambi, Jambi Malay has eight dialects, including the Tanjung Jabung dialect, Jambi City dialect, Muaro Jambi dialect, Batanghari dialect, Tebo dialect, Bungo dialect, Sarolangun dialect, and Merangin dialect. Jambi Malay is used as a lingua franca and for interaction among the various ethnic groups in Jambi. The differences between each dialect in Jambi Malay range from about 51 to 80 percent.
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The grammar of American Sign Language (ASL) has rules just like any other sign language or spoken language. ASL grammar studies date back to William Stokoe in the 1960s. This sign language consists of parameters that determine many other grammar rules. Typical word structure in ASL conforms to the SVO/OSV and topic-comment form, supplemented by a noun-adjective order and time-sequenced ordering of clauses. ASL has large CP and DP syntax systems, and also doesn't contain many conjunctions like some other languages do.
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A playground, playpark, or play area is a place designed to provide an environment for children that facilitates play, typically outdoors. While a playground is usually designed for children, some are designed for other age groups, or people with disabilities. A playground might exclude children below a certain age.
Media related to Seesaws at Wikimedia Commons
The dictionary definition of teeter-totter at Wiktionary| Authority control databases: National |
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