When does a body have zero force of friction?

1.	When does a body have zero force of friction?
A.	When no force is applied on a body at rest
B.	When a large force is applied on a body
C.	Force exerted by the first body on the second is not equal to the force exerted by the second body on the first.
D.	When a body is sliding on the surface
Answer» B. When a large force is applied on a body

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