A simple pendulum of length l is pulled aside to make an angle θ with the vertical. …

Q: A simple pendulum of length l is pulled aside to make an angle θ with the vertical. The magnitude of the torque of the weight w of the bob about the point of suspension is

(a) w l

(b) wl sinθ

(c) wl tanθ

(d) w l cosθ

Ans: (b)