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1. |
An object moved forward 10 meters and then comes back 5 meter all with a constant force of 5 N, what is the work done by the force? |
A. | 5 Joule |
B. | 25 Joule |
C. | 50 Joule |
D. | 75 Joule |
Answer» C. 50 Joule | |