Which one of the following expressions gives the magnitude of the torque produced by…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

Which one of the following expressions gives the magnitude of the torque

\tau

produced by a force

F

acting at an angle

\theta

to the position vector

r

? (a)

F r \,\theta

(b)

F r \sin\theta

(c)

F r \cos\theta

(d)

F r \sin^{2}\!\theta