Work and Power Quiz Study Guide

1. When a force is exerted through a distance, __________ is done.

2. To compute work, multiply force by __________.

3. In SI, the unit of work is the __________.

4. In order to calculate work done, use the __________ of the force which is in the direction of motion.

5. If a force acts __________ to the direction of motion, no work is done.

6. Power is the __________ at which work is done.

7. In SI, power is measured in __________.

8. A kilowatt is equal to __________ watts.

9. You push against a car stuck in the mud. You will do __________ work unless you are successful in moving the car.

10. A job is done slowly and an identical job is done quickly. Both jobs required the same total amount of __________ but used different amounts of __________.

List of Answers:

1. work

2. distance

3. joule

4. component

5. perpendicular

6. rate

7. watts

8. 1,000

9. no

10. work, power