When is work zero ? A force of 40 N is applied to a body. If the line of action of the force
makes an angle of 45° with the direction of the displacement of the body, then calculate the
amount of work done, when the body is displaced by 2 m.
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Answer:
Force=40N
Displacement=2m
Work done= Force * displacement
W= Fd
W= 40*2
w= 80 J
Explanation:
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Work is zero when the displacement or mass of body or acceleration on/by body or force on body are zero
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