A body of mass 'm' is moving with consta...

A body of mass 'm' is moving with constant speed V on a track shown in figure . At point A & point B radius of curvature is R. `N_(A) , N_(B), & N_(C)` represents normal reactions at A,B,& C. Which of the gollowing option is correct ?

a. ` N_(A) = mg - (mV^(2))/R`

b. ` N_(B) = mg + (mV^(2))/R`

c. `N_(C) = mg`

d. All of these

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