Please show work and answer both parts

A $20-$kg wagon accelerates on a horizontal surface

at $0\mathrm{.}70$m$//$s$^(2)$ when pulled by a rope exerting a

$120-$N force on the wagon at an angle of $25^($@$)$

above the horizontal.

Part A

Determine the magnitude of the effective friction force exerted on the wagon

Express your answer with the appropriate units.

Incorrect; Try Again; $4$ attempts remaining

Part B

Determine the effective coefficient of friction associated with this force.

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