what are the things called with a line of hanging balls, and when you drop one on one end, the other end moves

1 ⤊

Newton's cradle, aren't they just the most pointless yet fabulous invention!

2007-09-29 03:57:52 · answer #1 · answered by kittycymraeg 3 · 1⤊ 0⤋

That device is called the Newton's Cradle and is used to demonstrate conservation of momentum.

2007-09-29 11:05:20 · answer #2 · answered by Blue Jean 6 · 0⤊ 0⤋

Kinetic balls.

2007-09-29 14:31:21 · answer #3 · answered by Sakura 3 · 0⤊ 0⤋

perpetual motion

2007-09-29 10:57:44 · answer #4 · answered by Aloha_Ann 7 · 0⤊ 0⤋

It's on the tip of my tongue...

2007-09-29 10:56:50 · answer #5 · answered by updo 3 · 0⤊ 0⤋

i have no idea

2007-09-29 10:57:00 · answer #6 · answered by Anonymous · 0⤊ 0⤋