'toon physics (was Re: Teaching Ocean Tides)

[PPARKER@TWSUVM.UC.TWSU.EDU]

> Date: Fri, 28 Jun 1996 14:42:54 -0500
> From: sample@lyon.edu (John D. Sample)
>
> > But *later* some conscientious teacher is going to have to unteach that
> > stuff along with all the cartoon physics the kids learned from TV.
>
> Now there is an interesting idea.  A lot of people have been talking about
> video analysis using videos of objects falling, colliding, etc.  Has
> anybody tried this with cartoons to show that the characters are violating
> the laws of physics?  It might make an interesting project to "discover"
> the cartoon laws which apply to the roadrunner in a particular case.

I think I got this here (PHYS-L) a couple of years ago. It's not exactly
what was requested, but should be amusing anyway, I hope.
    This is a LaTeX file. If you have LaTeX available, you should be able
to print a pretty, formatted version. If you do not have LaTeX, you should
be able to read it anyway by ignoring all the command strings, which are
the things of the form \letters, and most of their {arguments}. If you have
any trouble compiling it with LaTeX, please email me.

--------------toonphys.tex----------------------------------
\documentstyle[11pt]{article}

\headheight=0in
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\begin{document}
\begin{center}
{\large\bf The Ten Laws of Cartoon Physics}

Author(s) unknown\\ {\small reproduced without permission}\\
by Dan MacIsaac\\ {\small graduate student in Physics and Science}
Education\\ {\small danmac\@physics.purdue.edu}
\end{center}

\bigskip\bigskip\medskip
\noindent
{\bf Cartoon Law I}\\
Any body suspended in space will remain in space until made aware of
its situation.

Daffy Duck steps off a cliff, expecting further pastureland.  He loiters in
midair, soliloquizing flippantly, until he chances to look down.  At this
point, the familiar principle of 32 feet per second per second takes over.

\medskip\noindent
{\bf Cartoon Law II}\\
Any body in motion will tend to remain in motion until solid matter
intervenes suddenly.

Whether shot from a cannon or in hot pursuit on foot, cartoon
characters are so absolute in their momentum that only a telephone pole
or an outsize boulder retards their forward motion absolutely.  Sir Isaac
Newton called this sudden termination of motion the stooge's surcease.

\medskip\noindent
{\bf Cartoon Law III}\\
Any body passing through solid matter will leave a perforation
conforming to its perimeter.

Also called the silhouette of passage, this phenomenon is the speciality
of victims of directed-pressure explosions and of reckless cowards who
are so eager to escape that they exit directly through the wall of a
house, leaving a cookie-cutout-perfect hole.  The threat of skunks or
matrimony often catalyzes this reaction.

\medskip\noindent
{\bf Cartoon Law IV}\\
The time required for an object to fall twenty stories is greater than or
equal to the time it takes for whoever knocked it off the ledge to spiral
down twenty flights to attempt to capture it unbroken.

Such an object is inevitably priceless, the attempt to capture it
inevitably unsuccessful.

\medskip\noindent
{\bf Cartoon Law V}\\
All principles of gravity are negated by fear.

Psychic forces are sufficient in most bodies for a shock to propel them
directly away from the earth's surface.  A spooky noise or an adversary's
signature sound will induce motion upward, usually to the cradle of a
chandelier, a treetop, or the crest of a flagpole.  The feet of a character
who is running or the wheels of a speeding auto need never touch the
ground, especially when in flight.

\medskip\noindent
{\bf Cartoon Law VI}\\
As speed increases, objects can be in several places at once.

This is particularly true of tooth-and-claw fights, in which a character's
head may be glimpsed emerging from the cloud of altercation at several
places simultaneously.  This effect is common as well among bodies
that are spinning or being throttled.  A ``wacky'' character has the option
of self- replication only at manic high speeds and may ricochet off walls
to achieve the velocity required.

\medskip\noindent
{\bf Cartoon Law VII}
Certain bodies can pass through solid walls painted to resemble tunnel
entrances; others cannot.

This {\em trompe l'oeil\/} inconsistency has baffled generations, but at least
it is known that whoever paints an entrance on a wall's surface to trick an
opponent will be unable to pursue him into this theoretical space.  The
painter is flattened against the wall when he attempts to follow into the
painting.  This is ultimately a problem of art, not of science.

\medskip\noindent
{\bf Cartoon Law VIII}\\
Any violent rearrangement of feline matter is impermanent.

Cartoon cats possess even more deaths than the traditional nine lives
might comfortably afford.  They can be decimated, spliced, splayed,
accordion- pleated, spindled, or disassembled, but they cannot be
destroyed.  After a few moments of blinking self pity, they reinflate,
elongate, snap back, or solidify.

{\bf Corollary:} A cat will assume the shape of its container.

\medskip\noindent
{\bf Cartoon Law IX}\\
Everything falls faster than an anvil.

\medskip\noindent
{\bf Cartoon Law X}\\
For every vengeance there is an equal and opposite revengeance.

This is the one law of animated cartoon motion that also applies to the
physical world at large.  For that reason, we need the relief of watching
it happen to a duck instead.

\bigskip
\bigskip
\bigskip

\medskip\noindent
{\bf Cartoon Law Amendment A}\\
A sharp object will always propel a character upward.

When poked (usually in the buttocks) with a sharp object (usually a
pin), a character will defy gravity by shooting straight up, with great
velocity.

\medskip\noindent
{\bf Cartoon Law Amendment B}\\
Any body falling toward a sharp object will tend to stop in mid air
prior to contact, drift to the side, and continue falling.


\medskip\noindent
{\bf Cartoon Law Amendment C}\\
The laws of object permanence are nullified for ``cool" characters.

Characters who are intended to be ``cool" can make previously
nonexistent objects appear from behind their backs at will.  For
instance, the Road Runner can materialize signs to express himself
without speaking.

\medskip\noindent
{\bf Cartoon Law Amendment D}\\
Explosive weapons cannot cause fatal injuries.

They merely turn characters temporarily black and smoky.

\medskip\noindent
{\bf Cartoon Law Amendment E}\\
Gravity is transmitted by slow-moving waves of large wavelengths.

Their operation can be wittnessed by observing the behavior of a canine
suspended over a large vertical drop.  Its feet will begin to fall first,
causing its legs to stretch.  As the wave reaches its torso, that part will
begin to fall, causing the neck to strech.  As the head begins to fall,
tension is released and the canine will resume its regular proportions
until such time as it strikes the ground.

\medskip\noindent
{\bf Cartoon Law Amendment F}\\
Dynamite is spontaneously generated in ``C-spaces" (spaces in which
cartoon laws hold).

The process is analogous to steady-state theories of the universe which
postulated that the tensions involved in maintianing a space would
cause the creation of hydrogen from nothing.  Dynamite quanta are quite
large (stick sized) and unstable (lit).  Such quanta are attracted to
psychic forces generated by feelings of distress in ``cool" characters (see
Amendment B, which may be a special case of this law), who are able
to use said quanta to their advantage.  One may imagine C-spaces where
all matter and energy result from primal masses of dynamite exploding.
A big bang indeed.

\end{document}