Question: A ball on a cart is moving at a rate of 2 m/s. The cart suddenly stops and the ball continues to travel in the same direction at the same speed. This is an example of the

What is the correct answer to the question from the following choices?
pick from the following.
 a). law of gravity..
 b). first law of motion..
 c). second law of motion..
 d). third law of motion..
b).