Question

A body, when acted upon by a force of 100 N, gets displaced by 0.5 m. Calculate the work done by the force, when the displacement is at an angle of 60° with the force.

(ii) A nut is opened by a wrench of length 50cm. If the least force required is 20N, find the moment of force needed to loosen the nut.
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numericals

Answer 1

Answer:

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