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A particle of mass m moves along the int...

A particle of mass m moves along the internal smooth surface of a vertical cylinder of the radius R. Find the force with which the particle acts on the cylinder wall if at the initial moment of time its velocity equals `v_(0)`. And forms an angle `alpha` with the horizontal.

A

`(mv_(0)^(2))/(R)`

B

`(mv_(0)^(2)cos^(2)alpha)/(R)`

C

`(mv_(0)^(2)sin^(2)alpha)/(R)`

D

mg

Text Solution

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The correct Answer is:
B
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