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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 $7.0\text{ meters}$ from the left side of the bridge.

Created for Albert.io. Copyright 2016. All rights reserved.

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}$

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