Replace the three forces acting tangent to a $1$ ft radius circle with an equivalent force$-$couple system acting at the center $O.$

Force

The three forces may be replaced with a single force $R$ at $O$ where

$R=$

at an angle of $$ measured from the

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$R$

Wrong answer.

Dir R

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Couple

And with couple$-$moment $M=$

$($Use the standard sign convention to indicate the direction of the moment.$)$

Correct. You were awarded $10$ marks.

You scored $10$ marks for this part.

Score: $10/10$

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