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Physics - NLM Question with Solution | TestHub

PhysicsNLMFrictionMedium2 minQB

PhysicsMediummultiple choice

A constant horizontal force F is acting on block A, as shown in the figure. Friction between A & horizontal surface is negligible. But friction is present between A & B. Contact surface of A & B is vertical. Due to friction there is no slipping between A & B . Mass of A is 2 m and that of B is m & value of F is 6 mg . Then :

Options:(select one or more)

Answer:

B, C

Solution:

$a = \frac{6 m g}{3 m} = 2 g$

$N f_{s} μ = 2 m g = m g \leq μ (2 m g) \geq 0.5$

Stream:JEESubject:PhysicsTopic:NLMSubtopic:Friction

⏱ 2mℹ️ Source: QB

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