APFIVE Lever Arm of an Applied Force
A student applies a 50 N force to a wheel by pulling on a rope wrapped around its rim. If the wheel has radius 0.3 m and the rope makes a 60° angle with the tangent to the rim at the point of contact, what is the lever arm for this force?
A
0.15 m
B
0.3 m
C
0.3 sin(60°) m
D
0.26 m
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