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A force of magnitude 500N is acting from A(2,3,6) and passes through a point B(6,2,6). Compute its moment about point C(4,6,3).
written 3.9 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 3.9 years ago
circuit transmission lines
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written 3.9 years ago by gravatar for teamques10 teamques10 ★ 69k

Force Vector

F=(500)AB|AB|=500(4i−j+0k)√42+(−1)2+0=121.27(4i−j)    N

Moment of Force about Point C

MC=CA×F

MA=121.27[ijk(2−4)(3−6)(6−3)4−10]=121.27[ijk−2−334−10]=363.81i−1455.24j+1697.78k    (N.m)

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