Question: 1. A boy moves his toy, which has a weight of 5 N , a distance of 2 meters . How much work did he
1. A boy moves his toy, which has a weight of 5 N, a distance of 2 meters. How much workdid he do on the toy?
2. What is the amount of work required to lift a 50-kg object by 2 meters against gravity? (where g = 9.8 m/s2)
3. How much work did I do to a ball if its kinetic energy increased from 10 J to 40 J after I kicked it?
4. If all the balls have the same mass and are at the same initial height, which ball will have the greatest potential energywhen it is moved to a higher position?

3 m 5 m a b C
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