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B : The smooth $160-lb$ pipe has a length of $20ft$ and a negligible diameter. It is carried on a truck. The truck accelerates at $5f\frac{t}{s^2}.($Figure $1)$

Part A

Determine the normal reaction at $A.$

Express your answer to three significant figures and include the appropriate units: $$ Previous Answers

Correct NA$=106$lb

Part B

Determine the $x$ and $y$ components of force which the truck exerts on the pipe at $B.$

Express your answers using three significant figures separated by a comma.

$B_x,B_y=$

$lb$

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