A body of mass m performing UCM with frequency n along the circumference of circle having radius r, force is given by

Options

A. `4 pi n m^(2)`
B. `4 pi ^(2) n^(2) mr`
C. `pi^(2)n^(2) mr`
D. `1//2 pi n m^(2)`

Answer

B

Explanation

`F=mr omega^(2)`
`=mr 4 pi ^(2) n^(2) `.