Physics - NLM Question with Solution | TestHub
PhysicsNLMFBD & EquilibriumMedium2 minQB
PhysicsMediumstatement
Statement I: Two unequal masses hung over a pulley can hang without making the pulley turn if the whole pulley system is in free fall.
Statement II: In free fall the effective weight of every mass is zero, so no net torque acts on the pulley whatever the masses.
Options:
Answer:
A
Solution:
In a freely falling frame gravity is effectively switched off, so any pair of masses pulls with zero effective weight and the pulley has no tendency to rotate.
Both statements are true.
Option A.
Stream:JEESubject:PhysicsTopic:NLMSubtopic:FBD & Equilibrium
⏱ 2mℹ️ Source: QB
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