A simple pendulum having a bob of mass 100 g is oscillating with a maximum angular displacement of `3^(@)`. The maximum restoring force acting on the bob is (take `g = 10 ms^(-2)`)

Options

A. `(pi)/(60)`N
B. `(50 pi)/(3)`N
C. 3N
D. 3000 N

Answer

A

Explanation

`F = mg sin theta = mg theta`
`=(100 xx 10^(-3)) (10) ((3^(@))/(180^(@))xx pi) = (pi)/(60) N`