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8. | If a force acts perpendicular to the direction of motion of a body, what is the amount of work done? | |
A. | Sinθ | |
B. | Zero | |
C. | Constant | |
D. | Infinity | |
Answer: Option C | |
Explanation: | |
If a force acts perpendicular to the direction of a body, the amount of work done is zero because there is no displacement in the direction of a force. |
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