Physics - Rotation Question with Solution | TestHub
PhysicsRotationMiscellaneousMedium3 minCT47
PhysicsMediumsingle choice
A uniform rod of mass M and length L is hinged at its lower end. The rod can rotate freely in vertical plane and there is no friction at the hinge or at the ground. A ball of mass M and radius is placed and a constant force F is applied as shown. The acceleration of centre of mass of the rod initially is :
Options:
Answer:
A
Solution:
Apply conservation of momentum/angular momentum and the rigid-body constraint.
Simplification gives the marked answer A.
Stream:JEESubject:PhysicsTopic:RotationSubtopic:Miscellaneous
⏱ 3mℹ️ Source: CT47
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