Which of the following expressions gives the magnitude of the moment (torque)…

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

Which of the following expressions gives the magnitude of the moment (torque) produced by a force of magnitude

F

applied at a point whose position vector from the axis has magnitude

r

and makes an angle

\theta

with the force? (a)

\tau = r F \tan\theta

(b)

\tau = r F \sin\theta

(c)

\tau = r F

(d)

\tau = r F \cos\theta