Multiple Choice
You pull a 5kg box vertically up with a constant 100N force for 2m. How much work do you do?
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Intro to Calculating Work
Multiple Choice
You push a 3kg box against a wall for a distance of 2m with a force of 40N that makes a 53° angle with the horizontal, as shown. Calculate the work done by gravity.
A
58.8 J
B
-58.8 J
C
- 160 J
D
-80 J
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