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Physics - Rotation Question with Solution | TestHub

PhysicsRotationAngular momentumMedium2 minPYQ_2019

PhysicsMediumsingle choice

Assertion : For a system of particles under central force field, the total angular momentum is conserved. Reason : The torque acting on such a system is zero.

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Solution:

When external torque acting on the system is zero then only the total angular momentum of system is considered to be conserved. $τ = \frac{d L}{d t}$ If $τ = 0, \frac{d L}{d t} = 0 \Rightarrow L = I ω =$ constant

Stream:AIIMSSubject:PhysicsTopic:RotationSubtopic:Angular momentum

⏱ 2mℹ️ Source: PYQ_2019

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