Question

A pendulum bob is swinging in a vertical plane such that its angular amplitude is less than 90∘. If at its extreme position, the string is cut, which of the following trajectory is possible for the bob afterwards?

A
B
C
D

Solution

The correct option is B Here at the extreme point of the bob, tension in the string and the velocity will also become zero ∴ When the string is cut, bob is under free fall. Hence option C represent the correct trajectory of the bob after the string is cutPhysics

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