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Question Number 10451 by ketto last updated on 09/Feb/17

Answered by amir last updated on 10/Feb/17

$$\mathrm{\Sigma }{f}_x=10cos45-10cos45+0=0$$$$\text{You can't use 'macro parameter character \#' in math mode}$$$$R=\sqrt{{\left(\mathrm{\Sigma }{f}_x\right)}^2+{\left(\mathrm{\Sigma }{f}_y\right)}^2}=\sqrt{0^2+5.4^{2}1}=5.41◼$$

Answered by ridwan balatif last updated on 10/Feb/17

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