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A force of 3 N acts perpendicular to a lever arm of 2 m. The magnitude of its moment is
A1.5 N m
B6 N m
C0 N m
D5 N m
Answer & Solution
Correct answer: B. 6 N m
Moment is the cross product of position and force, and at 90 degrees its magnitude is 2 x 3 = 6 N m.
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