Intro to Work-Energy Theorem
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by Brad Greenwood
| 4 Questions
1
1
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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