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Cartoon physics is a jocular system of laws of physics that supersedes the normal laws, used in animation for humorous effect. Normal physical laws are referential (i.e., objective, invariant), but cartoon physics are preferential (i.e., subjective, varying). Many of the most famous American animated films, particularly those from Warner Bros. and MGM studios, unconsciously developed a relatively consistent set of such "laws" which have become de rigueur in comic animation. In one common cartoon scenario example, when a cartoon character runs off a cliff, gravity has no effect until the character notices and reacts.〔 In a neologism contest held by ''New Scientist'', a winning entry coined the term "coyotus interruptus" for this phenomenon—a pun on coitus interruptus and Wile E. Coyote, who fell to his doom this way many times.〕 In words attributed to Art Babbitt, an animator with the Walt Disney Studios: "Animation follows the laws of physics—unless it is funnier otherwise." In the words of Vaarsuvius in Rich Burlew's comic The Order of the Stick, "W. E. Coyote's Law of Cartoon Inertia: Objects in motion tend to stay at the same altitude until gravity is noticed". == Examples == Specific reference to ''cartoon physics'' extends back at least to June 1980, when an article "O'Donnell's Laws of Cartoon Motion"〔O'Donnell's Laws of Cartoon Motion", ''Esquire'', 6/80, reprinted in ''IEEE Institute'', 10/94; V.18 #7 p.12. (Copy on Web )〕 appeared in ''Esquire''. A version printed in V.18 No. 7 p.12, 1994 by the Institute of Electrical and Electronics Engineers in its journal helped spread the word among the technical crowd, which has expanded and refined the idea.〔()〕 These laws are outlined on dozens of websites. O'Donnell's examples include: * Any body suspended in space will remain in space until made aware of its situation. Then the regular laws of gravity take over. This is why babies can defy gravity for elongated amounts of time. (The character walks off the edge of a cliff, remains suspended in midair, and doesn't fall until he looks down.) If this is referenced by a character in the cartoon as "Defying the law of gravity", it is often explained that the character(s) involved have "never studied law". * Any body passing through solid matter (usually at high velocities) will leave a perforation conforming to its perimeter (the "silhouette of passage"). * Certain bodies can pass through solid walls painted to resemble tunnel entrances; others cannot. Corollary: Portable holes work. * All principles of gravity are negated by fear (i.e., scaring someone causes him to jump impossibly high in the air). * Any violent rearrangement of feline matter is impermanent. (In other words, cats heal fast and/or have an infinite number of lives.) Corollary: Cats can fit into unusually small spaces. * Everything falls faster than an anvil. (A falling anvil will always land directly upon the character's head, regardless of the time gap between the body's and the anvil's respective drops.) * Any vehicle on a path of travel is at a state of indeterminacy until an object enters a location in the path of travel. (Wolf looks both ways down the road, sees nothing, but gets run over by a bus as soon as he tries to cross.) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cartoon physics」の詳細全文を読む スポンサード リンク
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