2. Imagine that you kick a ball sideways off a cliff. Which path does the ball take as it falls to the ground?

Halloun & Hestenes

3. Imagine that a man is running and as he is running, he drops the ball. Which path would the ball take as it falls to the ground?

Halloun & Hestenes

4. Suppose that a rocket is drifting along sideways in deep space with its engine off. It is not near any planet, so ignore any friction or gravity. Imagine that the pilot starts firing the rocket continuously in the direction shown. Which of the paths shown would the rocket ship take?

Halloun & Hestenes

5. Now suppose that the pilot stops firing the engine. What path would the rocket take then?

Halloun & Hestenes

6. Imagine that you kick a ball sideways off a cliff and, at exactly the same time, someone else gently pushes a ball off the cliff. The ground below the cliff is level. Which ball hits the ground first?
a. The ball kicked sideways off the edge.
b. The ball gently pushed off the edge.
c. Both balls hit the ground at the same time.

7. Imagine that you are shooting at a target and that your friend holding the target is frightened by the noise of gun, so he drops the target at the same time as you fire the gun, your friend drops the target. Does your bullet hit the target?
a. Yes, it hits the target.
b. No, it misses the target.

8. The effect of gravity is:
a. About the same near the ceiling as near the floor
b. Much greater near the ceiling
c. Much greater near the floor

9. Suppose that you drop a ball. What happens to the ball as it falls to the floor?
a. It falls at a constant speed
b. It falls at a faster and faster speed

10. Imagine that we drop two balls from different heights. Both balls are dropped at exactly the same time. Which ball is moving faster when it hits the floor?

a. The ball dropped from the lower height.
b. The ball dropped from a greater height.
c. Both balls are moving at the same speed when they hit the floor.