Physics - Circular Motion Question with Solution | TestHub
PhysicsCircular MotionDynamicsMedium3 minQB
PhysicsMediummultiple choice
On a train moving along east with a constant speed v , a boy revolves a bob with string of length on smooth surface of a train, with equal constant speed v relative to train. Mark the correct option(s).
Options:(select one or more)
Answer:
A, C, D
Solution:
In the ground frame the bob's speed is , ranging from 0 to 2v. (A) and (D) true.
The train frame is inertial (constant v), so the boy sees circular motion with tension at all times. (C) true, (B) false.
Answer: A,C,D
Stream:JEESubject:PhysicsTopic:Circular MotionSubtopic:Dynamics
⏱ 3mℹ️ Source: QB
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