A body of weight 50 N is placed on a smooth surface. If the force required to move the body on the surface is 30 N the coefficient of friction is

A body of weight 50 N is placed on a smooth surface. If the force requ

1.	A body of weight 50 N is placed on a smooth surface. If the force required to move the body on the surface is 30 N the coefficient of friction is
A.	0.60
B.	1.2
C.	4
D.	1.67
Answer» B. 1.2

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A body of weight 50 N is placed on a smooth surface. If the force required to move the body on the surface is 30 N the coefficient of friction is

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