A force F = 10i^ + 15j^ N acts at point (2, 1) m. What is its moment about the origin (0, 0)?

Type: MCQ • Marks: 1

A. -20 k^ N·m

B. 35 k^ N·m

C. 20 k^ N·m

D. 10 k^ N·m

Explanation

Moment M = r × F = (2i^ + j^) × (10i^ + 15j^) = (2*15 - 1*10)k^ = 20k^ N·m.

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UP TGT Mathematics

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