When two surfaces are in contact with each other during motion, it req – McqOptions

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1.	When two surfaces are in contact with each other during motion, it requires more force even on a horizontal surface to move which is due to friction. But frictional force does not depend on ______
A.	Normal reaction from surface
B.	Force tending to cause motion
C.	Roughness of surface
D.	Area of contact between two surfaces
Answer» E.

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