In $($Figure $1),w_1=3\mathrm{.}5k\frac{N}{m}$ and $w_2=7k\frac{N}{m}.$ Replace the distributed loading by an equivalent resultant force and couple moment acting at point $A.$

Figure $1$ of $1$

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Part A

Determine the equivalent resultant force.

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

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Part B

Determine the couple moment.

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

$(M_R{)}_A=$

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