A-force-of-39-kg-weight-is-acting-at-a-point-P-4-2-5-in-the-direction-12i-4j-3k-The-moment-of-this-force-about-a-line-through-the-origin-having-the-direction-of-2i-2j-k-is-

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Question Number 54417 by gunawan last updated on 03/Feb/19

$$\mathrm{A}\mathrm{force}\mathrm{of}39\mathrm{kg}\mathrm{weight}\mathrm{is}\mathrm{acting}\mathrm{at}\mathrm{a}$$$$\mathrm{point}P(-4,2,5)\mathrm{in}\mathrm{the}\mathrm{direction}$$$$12\mathbf{i}-4\mathbf{j}-3\mathbf{k}.\mathrm{The}\mathrm{moment}\mathrm{of}\mathrm{this}\mathrm{force}$$$$\mathrm{about}\mathrm{a}\mathrm{line}\mathrm{through}\mathrm{the}\mathrm{origin}\mathrm{having}$$$$\mathrm{the}\mathrm{direction}\mathrm{of}2\mathbf{i}-2\mathbf{j}+\mathbf{k}\mathrm{is}$$

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