Cartoon physics

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 Metro-Goldwyn-Mayer 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.[1]

In words attributed to Art Babbitt, an animator with the Walt Disney Studios: "Animation follows the laws of physics—unless it is funnier otherwise."


Specific reference to cartoon physics extends back at least to June 1980, when an article "O'Donnell's Laws of Cartoon Motion"[2] 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.[3] These laws are outlined on dozens of websites.

O'Donnell's examples include:

History of the idea

The idea that cartoons behave differently from the real world, but not randomly, is virtually as old as animation. Walt Disney, for example, spoke of the plausible impossible in 1956.

Warner Brothers Looney Tunes had numerous examples of their own cartoon physics (such as in the Wile E. Coyote and The Road Runner cartoons) or even acknowledged they ignore real world physics. In High Diving Hare (1948), Yosemite Sam cuts through a high diving board Bugs Bunny is standing on, the ladder and platform that Sam is on falls, leaving the cut plank suspended in mid-air. Bugs turns to the camera and cracks: "I know this defies the law of gravity, but, you see, I never 'studied' law!"

More recently, it has been explicitly described by some cartoon characters, including Roger Rabbit, Bonkers D. Bobcat, and Yakko, Wakko, and Dot, who say that toons are allowed to bend or break natural laws for the purposes of comedy. Doing this is extremely tricky, so toons have a natural sense of comedic timing, giving them inherently funny properties.

In Who Framed Roger Rabbit, for example, Roger is unable to escape handcuffs for most of a sequence, doing so only to use both hands to hold the table still while Eddie Valiant attempts to saw the cuff off. When Eddie asks, exasperated, "Do you mean to tell me you could've taken your hand out of that cuff at any time?!" Roger responds: "Not at any time! Only when it was funny!"[4] Several aspects of cartoon physics were discussed in the film's dialogue, and the concept was a minor plot theme.

In 1993, Stephen R. Gould, then a financial training consultant, writing in New Scientist, said that "... these seemingly nonsensical phenomena can be described by logical laws similar to those in our world. Nonsensical events are by no means limited to the Looniverse. Laws that govern our own Universe often seem contrary to common sense."[5] This theme is described by Dr. Alan Cholodenko in his article, "The Nutty Universe of Animation".[6]

In a Garfield animated short entitled "Secrets of the Animated Cartoon", the characters Orson and Wade give demonstrations of different laws of the cartoons and show humorous examples of them.

In 2012 O'Donnell's Laws of Cartoon Motion were used as the basis for a presentation[7] and exhibition held at Stanley Picker Gallery, by Andy Holden titled 'Laws of Motion in a Cartoon Landscape'[8] which explored ideas of cartoon physics in relation to art and the end of art history.


Cartoon physics is not limited to either cartoons or physics. For example, when a character recovers impossibly fast from a serious injury, the laws of biology rather than physics are being altered. Live-action shows and movies can also be subject to the laws of cartoon physics, explaining why, for example, The Three Stooges did not go blind from all the eye-poking, or the burglars in the Home Alone series survive life-threatening booby traps.

Printed cartoons have their own family of cartoon physics "laws" and conventions.

See also


  1. 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.
  2. O'Donnell's Laws of Cartoon Motion", Esquire, 6/80, reprinted in IEEE Institute, 10/94; V.18 #7 p.12. Copy on Web
  3. Archived May 31, 2012, at the Wayback Machine.
  4. IMDB quotes from "Roger Rabbit"
  5. Stephen R. Gould, Looney Tuniverse: There is a crazy kind of physics at work in the world of cartoons (1993) New Scientist
  6. Dr. Alan Cholodenko, "The Nutty Universe of Animation, The “Discipline” of All “Disciplines”, And That’s Not All, Folks! Archived September 27, 2007, at the Wayback Machine." International Journal of Baudrillard Studies Volume 3, Number 1 (January 2006)
  7. Laws of Motion in a Cartoon Landscape on Vimeo
  8. Laws of Motion in a Cartoon Landscape | Stanley Picker Gallery

External links



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