A particle has velocity 3 r g at the highest point in vertical circle. Find the ratio of tensions at the highest and lowest point

Question

A particle has velocity 3 r g at the highest point in vertical circle. Find the ratio of tensions at the highest and lowest point, 1 : 6, 1 : 4, 1 : 3, 1 : 2

MARKS App · Accepted Answer

In vertical circular motin tension at top is mg - mv 2 /r and tension at bottom is mg + mv 2 /r T t o p = m v 2 r - m g = 2 m g T t o p T b o t t o m = 2 m g 2 m g + 6 m g = 1 4

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