Q.9) A body is tied to one end of the string and whirled in a vertical – InterviewSolution

1.

Q.9) A body is tied to one end of the string and whirled in a vertical circle , the physical quantitywhich remains constant is(a) Momentum(b) speed(c) kinctic energy(d) Total energy

Answer»

Momentum(mv) remains constant when body is whirled in a vertical circle.

wrong

(b)

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