Question

Firstly, the bob of a given pendulum is stroked gently and after that it is stroked with fierce force, will the time periods of the pendulum be the same in both the conditions? Explain.
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Answer 1

Answer:

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Explanation:

Time period depends on height attained by the bob after getting hit by a force. In 1st condition - the force exerted on bob is small so, after applying law of conservation of energy bob attain a height which is less. then, time period of bob is also LESS.