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Physics - NLM Question with Solution | TestHub

PhysicsNLMMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A block of mass $1 kg$ lies on a horizontal surface in a truck. The coefficient of static friction between the block and the surface is $0.6$ . If the acceleration of the truck is $5 m s^{- 2}$ , the frictional force acting on the block is :

Options:

Answer:

Solution:

Maximum friction $= m μ g = 0.6 \times 10 \times 1 = 6 N$

Pseudo force = $m a = 5 N$
So required friction force is only $5 N$ although maximum friction force available is $6 N$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:NLMSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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