Physics....?

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After a canon ball is fired into fricionless space, the amount of force needed to keep it going equals.

A) twice the force with which it was fired.
B) the same amount of force with which it was fired.
C) one half the force with which it was fired.
D) zero, since no force is necessary to keep it moving.

2007-12-18 11:31:44 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Physics

3 answers

D

j

2007-12-18 11:34:53 · answer #1 · answered by odu83 7 · 0⤊ 0⤋

d cuz in space they don't need force it doesn't have much gravity on;y the planets do but this i what i think

2007-12-18 19:38:25 · answer #2 · answered by Anonymous · 0⤊ 0⤋

D, if your "frictionless space" refers to a vacumn

2007-12-18 19:36:04 · answer #3 · answered by nickylean 2 · 0⤊ 0⤋