32. A force ?⃗ = (4.0?̂ + 2.0ĵ + 3.0?̂ )? acts on a particle with a position vector ?⃗ = (1.0?̂ + 3.0ĵ + 2.0?̂ )?. Find the torque due to this force about the axis passing through the origin.
(A) −5.0?̂−5.0ĵ+10?(?∙?)
(B) 10?̂+5.0ĵ−5.0?(?∙?
(C) 5.0?̂−5.0ĵ−10?(?∙?)
(D) 5.0?̂+5.0ĵ−10?(?∙?)
(E) 5.0?̂−5.0ĵ+10?(?∙?)
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統計: A(9), B(1), C(2), D(27), E(0) #2336732
統計: A(9), B(1), C(2), D(27), E(0) #2336732
詳解 (共 1 筆)
#5357364
R cross F, 順序錯就會選成A
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