A crane lifts a 250 N ball 10 meters off the ground. How much work did the crane

do on the ball?

2

1

A crane lifts a 250 N ball 10 meters off the ground. What was the ball's change in energy?

3

1

A crane lowers a 200 N ball 10 meters. How much work did the crane do on the ball?

4

1

A crane lowers a 200 N ball 10 meters. What was the ball's change in energy?

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