1.

A force is acting on a body of mass 3 kg kept on a rough horizontal surface. If a friction force of 40 N is required to keep the body at rest under the action of this external force. Find the contact force acting on the body. (Take g=10 m/s2)

Answer»

A force is acting on a body of mass 3 kg kept on a rough horizontal surface. If a friction force of 40 N is required to keep the body at rest under the action of this external force. Find the contact force acting on the body. (Take g=10 m/s2)



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