In the pulley arrangement shown, the pulley P2 is movable. Assuming coefficient of friction between m and surface to be μ, the minimum value of M for which m is at rest is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

M = μm2

m = μM2

M = m2μ

m = M2μ

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

f = 2T---------(i)T = Mg-------(ii)If m be at rest friction will be staticf ≤ μN2Mg ≤ μmg ⇒ M = μm2

Watch 3-min video & get full concept clarity