Question

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

Answer 1

a. an outside force acted on the soccer ball because its motion stopped

Explanation:

From Newton's 1st law, An object continues in its state of rest or motion provided no force (net) acts on it

Answer 2

The answer is A. The outside motion should be friction.