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4 answers

It's a weight on a string (or cord, or chain, or rope, whatever.)

It swings in an arc. It's used in wind-up clocks, like grandfather clocks or cuckoo clocks--larger clocks that have hanging weights and stuff.

I don't know what project you'd do with it. Maybe something with those desktop things, with the chrome balls that go, "clackety-clack." Those are pendulums.

If you're psychic, you can use them to find stuff, dowse for water, stuff like that.

But that's psy-chic, not phys-ic. A little different.

But if you could prove psychic phenomena by physics, your physics teacher would LOVE you!

2007-02-27 11:41:40 · answer #1 · answered by SlowClap 6 · 0 0

A pendulum is an object that swings back and forth with repetitive motion. An example would be a grandfather clock with and the object that makes it tick when swinging back and forth. Another more common example is a swing on a swing set.

To do a project on a pendulum, you could describe what it is, how to make a simple one (using some string and a ball) Also you could talk about the period and frequency of a pendulum, the damping, and maybe show a little bit of the math behind a pendulum.

2007-02-27 19:39:38 · answer #2 · answered by Anonymous · 0 0

Main Entry: pen·du·lum
Pronunciation: -l&m
Function: noun
Etymology: New Latin, from Latin, neuter of pendulus
1 : a body suspended from a fixed point so as to swing freely to and fro under the action of gravity and commonly used to regulate movements (as of clockwork)
2 : something (as a state of affairs) that alternates between opposites


an example is a small metal ball tied to a string

2007-02-27 19:39:22 · answer #3 · answered by Aroura 2 · 0 0

a pendulum is a swinging weight that swings freely under the influence of gravity. like those things that are used in hypnosis. or one of those big clocks.

2007-02-27 19:41:31 · answer #4 · answered by fluppp 2 · 0 0

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