The image below depicts a bowling ball traveling down the lane and striking pins, knocking them down. Describe the effects on the bowling ball's motion of the some of the forces acting on the ball. Choose all that apply.

1. Friction acts in the opposite direction of balls motion
(a push.)

2. Gravity pulls the bowling ball ‘down’ that is, towards the center of the earth.

3. Density makes the ball move.

4. Inertia makes the ball sit still until a force is applied.

5. The person who let the bowling ball go applied a force or a push to the ball.