Two pool (billiard) balls collide, causing each to move in a different direction. Eventually, both come to a stop. The most important factor in causing them to stop is
balance. friction. gravity. size.
Question: Two pool (billiard) balls collide, causing each to move in a different direction. Eventually, both come to a stop. The most important factor in causing them to stop is
A. balance.
B. friction.
C. gravity.
D. size.
Answer: