Question: Express your answer in pounds to three significant figures. Replace the three forces acting on the plate by a wrench ( Figure 1 ) .

Express your answer in pounds to three significant figures.

Replace the three forces acting on the plate by a wrench

(

Figure

1) .

Suppose that

F_{A} = {- 80 i} l b,

F_{B} = {- 60 j} l b,

and

F_{C} = {40 k} l b .

Figure

Correct

Correct answer is shown. Your answer

107.7

lb was either rounded differently or used a different number of significant figures than required for this part.

Part B

Determine the resultant couple moment.

Express your answer in pound

-

feet to three significant figures. Enter positive value if

M_{R}

has the same direction as

F_{R}

and negative value if

M_{R}

is opposite to

F_{R} .

M_{R} =

l b * f t

Check your signs.

No credit lost. Try again.

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Part C

Determine the coordinates of the point

P (x, y)

where the force's line of action intersects the plate.

Express the

x

and

y

coordinates in feet to three significant figures separated by a comma.

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