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AP® Physics 1 & 2

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Heavy Truck on a Bridge

APPH12-SMYPYD

A truck that weighs 20,000 Newtons is parked on a 20-meter​ long bridge. The bridge weighs 10,000 N. The truck is located 7.0 meters form the left side of the bridge.

How much upward force does each of the bridge supports exert it they are located at the ends of the bridge?

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

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}$