Pappu is applying a large force in order to push a heavy box lying on – McqOptions

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1.	Pappu is applying a large force in order to push a heavy box lying on the floor. Then, his younger brother, Chintu spreads a little bit of oil on the floor. Now, Pappu feels that it has become relatively easier to move the box. This happens because the
A.	Oil magnifies the applied muscular force
B.	Oil reduces the friction between two surfaces
C.	Application of oil generates an upward thrust
D.	Application of oil reduces the gravitational force
Answer» C. Application of oil generates an upward thrust

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