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In the figure shown, a small ball of mas...

In the figure shown, a small ball of mass 'm' can move without sliding in a fixed semicircular track of radius R in vertical plane. It is released from the top. The resultant force on the ball at the lowest of the track is

A

`(10mg)/(7)`

B

`(17mg)/(7)`

C

`(3mg)/(7)`

D

zero

Text Solution

Verified by Experts

The correct Answer is:
A
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