BOTANY ZOOLOGY
PHYSICS
Duration: 3:00:00 Tim
A block is resting on a rough horizontal surface. A horizontal force applied on it produces an acceleration a in it. If the applied
horizontal force is halved in magnitude, the acceleration will be (assume that the coefficient of friction is same in both the case
(A) < a/2
(B) = a/2
(C) ► a/2
(D) = 2a
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