A soccer player kicks a ball. The ball rolls in a straight line, slows down, and stops. What can you conclude about the soccer ball?
a
An outside force acted on the soccer ball because its motion stopped.
b
The only force on the soccer ball was the force of the player’s kick.
c
No outside forces acted on the ball because its motion did not change.
d
No net force acted on the ball because the ball did not change directions
