86. A force 51 - 21+ 3k acts on a particle0161221with position vector 21+1-2k. Thetorque of the force about the origin is(A) Î+161 +9k(B) -1 +161-9k10+1(C) i +16]-9k(IS(+8](D) -Î-16ĵ-9k=X (0)(+8) +S) [+]

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Answered: 86. A force 51-21 +3k acts on a…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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86. A force 51-21 +3k acts on a particle with position vector 21+1-2k. The torque of the force about the origin is (A) 1+16] +9k (B) -Î+161-9k Sj 1S+1] [1+S) [+ (C) i +16] -9k 10 (D) -Î-161-9k (9)) =X (0)