Physics, 06.01.2020 21:31 jessicaisbaehood
How much is the moment due to force p about point b. p(unit=n) vector is equal to (150i+260j ) and vector ba (unit=meter) is equal to (0.23i+0.04j)?
Answers: 1
![\vec{\tau} = \vec{r} \times \vec{F}\\\vec{r} \times \vec{F} = \left[\begin{array}{ccc}\^{i}&\^j&\^k\\r_x&r_y&r_z\\F_x&F_y&F_z\end{array}\right] = \left[\begin{array}{ccc}\^{i}&\^j&\3k\\0.23&0.04&0\\150&260&0\end{array}\right] = \^k((0.23*260) - (0.04*150)) = \^k (53.8~Nm)](/tpl/images/0444/5863/1a287.png)
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How much is the moment due to force p about point b. p(unit=n) vector is equal to (150i+260j ) and v...
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