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Physics
Physics
Problem
Identify the correct expression for the magnitude of torque when a force
F
F
F
acts perpendicularly at a distance
r
r
r
from the axis of rotation. a)
F
r
sin
θ
F r \sin\theta
F
r
sin
θ
b)
F
r
2
\dfrac{F r}{2}
2
F
r
c)
F
r
F r
F
r
d)
F
r
cos
θ
F r \cos\theta
F
r
cos
θ
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