Which is the best example of newton's second law of motion? (1 point) select one: a. a student has on roller skates and she decides to push against the railing. she immediately begins to roll backwards. b. a small, lightweight ball and a large, heavy ball are dropped off of 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.