Q. 294.8( 12 Votes )

The hanging bob of a simple pendulum is displaced to one extreme position B and then released. It swings towards centre position A and then to the other position C. In which position does the bob have: (i) Maximum potential energy?

(ii) Maximum kinetic energy?

Give reasons for your answer.

Answer :

(i) Maximum Potential energy will be at the extreme position B and C because at these positions, the bob is at maximum height from the ground. K.E at these points will be zero.

(ii) Maximum Kinetic energy will be at A because at these positions, the bob has maximum velocity. Potential energy at this point will be zero due to no height.


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