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A particle of mass m moves with constant...

A particle of mass m moves with constant speed v on a circular path of radius r as shown in figure. The average force on it during its motion from A to B is

A

`(sqrt(3)mv^(2))/(2pi r)`

B

`(mv^(2))/(r)`

C

`(2sqrt(3)mv^(2))/(pi r)`

D

`(3 sqrt(3)mv^(2))/(4 pi r)`

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