EASY
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If is the coefficient of kinetic friction, the coefficient of rolling friction and the coefficient of static friction, then
(a)
(b)
(c)
(d)

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Important Questions on Friction
MEDIUM

HARD

HARD

MEDIUM

EASY

Given in the figure are two blocks and of weight and , respectively. These are being pressed against a wall by a force and kept in equilibrium as shown. If the coefficient of friction between the blocks is and between block and the wall is , the frictional force applied by the wall on block is:

EASY

MEDIUM


