Question
Determine the magnitude of the projected component of the force $\mathbf{F}=\{400 \mathbf{i}-200 \mathbf{j}+500 \mathbf{k}\} \mathrm{N}$ acting along the cable $B A$
Step 1
According to the explanation, the vector $\mathbf{r}_{AB}$ has components -6, -1, and 2. The dot product is calculated as follows: \[\mathbf{F} \cdot \mathbf{r}_{AB} = 400 \cdot (-6) - 200 \cdot (-1) + 500 \cdot 2\] Show more…
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