Work and Power Worksheet
Work and Power Worksheet Name:____________________
Work = Force x distance
Power = Work / Time = Force x distance / time
SHOW YOUR WORK AND REMEMBER YOUR UNITS
1. How much work is done when an 8 N force moves a block 7m? [2 Points]
2. Eva applies 40N force to move her bookcase 3m, how much work did Eva do? [2 Pts]
3. How far will 490 J of work raise a block weighing 7 N? [3 Points]
4. Sheila did 110 J of work to move a chair 2 m to the right. How much force did Sheila use to move the chair? [3 Points]
5. Which is more work, pushing with 115 N over 15m or lifting 20N over 10 m? [2 Pts]
6. How much power does it take to do 500 J of work in 10 sec? [2 Points]
7. How much power does it take to lift 250 N, 40 m high in 2 seconds? [3 Points]
8. If it takes 20 N to move a box, how much power will be needed to move the box a distance of 5 meters in 5 seconds? [3 Points]
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