Replace the force and couple moment system acting on the beam by an equivalent resultant force and couple moment at point $A($Figure $1).$ Suppose that $F_1=340N,F_2=120N$ and $M=400N*m$

Part A

Determine the magnitude of the resultant force.

Express your answer to three significant figures and include the appropriate units.

$F_R=$

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Part B

Determine the angle between the resultant force and the $x$ axis.

Express your answer in degrees to three significant figures.

$=\{\begin{array}{ccc}\text{:}[& \text{m}\text{e}\text{a}\text{s}\text{u}\text{r}\text{e}\text{d}\text{c}\text{o}\text{u}\text{n}\text{t}\text{e}\text{r}\text{c}\text{l}\text{o}\text{c}\text{k}\text{w}\text{i}\text{s}\text{e}& ]\end{array}$

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Part c

Determine the equivalent resultant couple moment about point $A$

Express your answer to three significant figures and include the appropriate units. Enter positive value if the moment is counterclockwise and negative value if the moment is clockwise.

Figure

$1$ of $1$

$(M_R{)}_A=$

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