Solution 5.3b
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(New page: From the previous part we have that <math>\mathbf{F}4=-\mathbf{F}1-\mathbf{F}2-\mathbf{F}3=-292\mathbf{i}-62\mathbf{j}\ \text{N}</math> Thus the magnitude <math>Q</math> is given by <ma...)
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Revision as of 12:02, 4 April 2010
From the previous part we have that
\displaystyle \mathbf{F}4=-\mathbf{F}1-\mathbf{F}2-\mathbf{F}3=-292\mathbf{i}-62\mathbf{j}\ \text{N}
Thus the magnitude \displaystyle Q is given by
\displaystyle Q{}^{2}={{\left( -292 \right)}^{2}}+{{\left( -62 \right)}^{2}}=85300+3840=89140
or
\displaystyle Q=299 \text{ N}
