Three forces are applied to a tree sapling, as shown in $($Figure $1),$ to stabilize it$.$ Suppose that F$$AF$$AF$\_$A $=345$ NN and F$$BF$$BF$\_$B $=455$ NN $.$

Figure

$1$ of $1$

Part A

Part complete

Determine the magnitude of F$$CF$$C$.$

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

FCFC $=$

$495$ NN

SubmitPrevious$$Answers

Correct

Correct answer is shown. Your answer $495\mathrm{.}77$N$495\mathrm{.}77$N was either rounded differently or used a different number of significant figures than required for this part.

Part B

Determine the angle between F$$AF$$A and F$$CF$$C$,$ measured clockwise.

Express your answer using three significant figures.

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