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# Heavy Truck on a Bridge

APPH12-SMYPYD

A truck that weighs $20{,}000 \text{ N}$ is parked on a $20 \text{ meter}$​ long bridge. The bridge weighs $10{,}000 \text{ N}$. The truck is located $7.0\text{ meters}$ form the left side of the bridge.

Which of the following indicates how much upward force does each of the bridge supports exert it they are located at the ends of the bridge?

A

${ F }_{ A }=18{,}000\text{ N}$
${ F }_{ B }=12{,}000\text{ N}$

B

${ F }_{ A }=22{,}000\text{ N}$
${ F }_{ B }=8{,}000\text{ N}$

C

${ F }_{ A }=13{,}000\text{ N}$
${ F }_{ B }=7{,}000\text{ N}$

D

${ F }_{ A }=16{,}500\text{ N}$
${ F }_{ B }=13{,}500\text{ N}$