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Physics
Physics
Problem
Which expression gives the magnitude of the torque
τ
\tau
τ
produced by a force of magnitude
F
F
F
applied at a point a distance
r
r
r
from the axis when the angle between the force and the position vector is
θ
\theta
θ
? a)
2
r
F
sin
θ
2\,rF\sin\theta
2
r
F
sin
θ
b)
r
F
cos
θ
rF\cos\theta
r
F
cos
θ
c)
r
F
sin
θ
rF\sin\theta
r
F
sin
θ
d)
r
F
sin
(
2
θ
)
rF\sin(2\theta)
r
F
sin
(
2
θ
)
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