A force F = 3ĵ N acts at a point with position vector r = 2î m from the axis. What is the torque?
Correct answer C. 6k̂ N m
Explanation
τ = r × F = (2î) × (3ĵ) = 6(î × ĵ) = 6k̂ N m. Torque is a vector product, so it is not expressed in joules.
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