Questions
In the pulley arrangement shown, the pulley is movable. Assuming coefficient of friction between m and surface to be , the minimum value of M for which m is at rest is
detailed solution
Correct option is A
f = 2T---------(i)T = Mg-------(ii)If m be at rest friction will be staticf ≤ μN2Mg ≤ μmg ⇒ M = μm2Similar Questions
In the figure, mass of a ball is times mass of the rod. Length of rod is 1 m. The level of ball is same as rod level. Find out time taken by the ball to reach at upper end of rod. [AIIMS 2018]
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