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A body of 10kg kept on a rough horizontal surface which can offer a maximum frictional force of 40N. What will be the frictional force when applied force is 20N?1)40N 2)30N4)200N 3)20N

Answer» A body of 10kg kept on a rough horizontal surface which can offer a maximum frictional force of 40N. What will be the frictional force when applied force is 20N?
1)40N 2)30N
4)200N 3)20N


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