You are out in space, so far from any star or planet that gravity is insignificant. You throw two rubber balls so that they drift forward as a pair. These balls continue to touch one another with one ball directly in front of the other. Which of the balls is pushing on the other?
A. Neither ball is pushing on the other.
B. Only the ball in front is pushing on the ball behind.
C. Only the ball behind is pushing on the ball in front.
D. They are both pushing on one another.
Answer:A
You are out in space, so far from any star or planet that gravity is insignificant. You throw two rubber balls so that they drift forward as a pair. These balls continue to touch one another with one ball directly in front of the other. Which of the balls is pushing on the other?
A. Neither ball is pushing on the other. B. Only the ball in front is pushing on the ball behind. C. Only the ball behind is pushing on the ball in front. D. They are both pushing on one another.