Q.

Work is said to be done by a force

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a

if the body has displacement

b

if the magnitude of the force is not equal to zero

c

None of the above

d

if the force or component of the force is along the direction of the displacement

answer is C.

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Detailed Solution

Work is said to be done by a force if a body has a displacement along the direction 

of force or along the direction of component of force

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