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AP® Physics 1 & 2

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Car On A Bridge

APPH12-LQWS0F

A very small car that that weighs 9,000 Newtons is parked on a 20-meter​ long bridge. The bridge weighs 15,000 N. The car is located 8.0 meters from the left side of the bridge. The bridge supports are located 0.5 meters from each edge of the bridge.

Based on an analysis of this data, what is the upward force exerted by each bridge support?

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

A

$ { F }_{ A }=5,400\text{ N}$
$ { F }_{ B }=3,600\text{ N}$

B

$ { F }_{ A }=13,000\text{ N}$
$ { F }_{ B }=11,000\text{ N}$

C

$ { F }_{ A }=15,600\text{ N}$
$ { F }_{ B }=8,400\text{ N}$

D

$ { F }_{ A }=11,100\text{ N}$
$ { F }_{ B }=12,900\text{ N}$