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Replace the loading system by an equivalent resultant force and couple moment acting at point $A.($Figure $1)$ Assume $F_1=70N,F_2=60N,$ and $F_3=80N.$

Part A

Determine the magnitude of the resultant force.

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

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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.

$\sqrt[4]{}$

$A$

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vec

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Part C

Determine the couple moment acting at point $A.$

Express your answer to three significant figures and include the appropriate units. Assume the positive direction is counterclockwise.

Figure

$1$ of $1$