A wooden block of mass 10 kg is moving with an acceleration of 3 ms on a rough floor. If the coefficient of friction is 0.3, then the applied force on it is (g=10ms)
(A) 10 N
(B) 30 N
(C) 80 N
(D) 60 N
(E) 65 N
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Answer:
(B) 30 N
Explanation:
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