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Intro to Work-Energy Theorem
By Brad Greenwood
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Last updated about 7 years ago
4 questions
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1
1
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Question 1
1.
A crane
lifts
a 250 N ball 10 meters off the ground. How much
work
did the crane
do on the ball?
Question 2
2.
A crane
lifts
a 250 N ball 10 meters off the ground. What was the ball's
change in energy
?
Question 3
3.
A crane
lowers
a 200 N ball 10 meters. How much
work
did the crane do on the ball?
Question 4
4.
A crane
lowers
a 200 N ball 10 meters. What was the ball's
change in energy
?