Which is the best example of Newton’s SECOND law of motion:

A.) A student has on roller skates and he decides to push against the railing. He immediately begins to roll back.

B.) A small, lightweight ball and a large, heavy ball are dropped off a roof. They both strike the ground at the same time.

C.) A baseball player hits a baseball that is pitched to him. The ball immediately soars back in the direction of the pitcher.

D.) You are riding in a car that makes a quick right turn. You immediately slide across the back seat.