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Solution: Despite a very strong wind, a tennis player manages to hit a...

Question

Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that the ball passes over the net and lands in her opponent’s court. Consider the following forces:

1. A downward force of gravity.
2. A force by the “hit”.
3. A force exerted by the air.
4. A force exerted by the ground.

Which of the above force(s) is (are) acting on the tennis ball after it has left contact with the racquet and before it touches the ground?

1. 2 and 4.

2. 2 only.

3. 1 only.

4. 1 and 2.

5. 1, 2, and 3.

6. 2 and 3.

7. 1, 2, 3, and 4.

8. 3 only.

9. 1 and 3.

10. 1, 3, and 4.