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A force F 5i+6j-4k acting on body produces displacement S= 6i+5k .workdone by force is |
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Answer» Solution: As we know that the work done by a body is dot product of force and displacement. Thus, W = F.S F = 5i+6j-4k S = 6i+5k W = (5i+6j-4k).(6i+0j+5k) By dot product we have, W=30+0-20 W= 10 j As we have work done by body and displacement both are in vector form ,
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