A boy has four options to move a body through 3m as indicat – McqOptions

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1.	A boy has four options to move a body through 3m as indicated. In which case is maximum work done?
A.	Push over an inclined plane
B.	Lift vertically upwards
C.	Push over smooth rollers
D.	Push on a plane horizontal surface
Answer» C. Push over smooth rollers

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