Can you work out the weight?
A woodcutter chops down a log of
20m
and he applies
500N
to lift off one side of the log. Then what is the weight of the log?
Note:
Assume that the log has a uniform cylindrical shape. There is no need for the Unit(N) in your answer.
The answer is 1000.
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1 solution
simply we can calculate it using the principle of moment.As it has a uniform cylindrical shape, so the center of mass would be in the middle which is 10m away from both edges. Now, Clockwise moment=Anticlockwise moment. =>500N times 20m=Weight times 10m =>Weight=10000/10 =>Weight=1000N.