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AP® Physics 1 & 2

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Lever Arm

APPH12-9TDWIK

There is a 10-meter long beam supported by a fulcrum that is located at the 5-meter point as shown below. A force is exerted at the 7-meter mark as shown below.

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

Which of the following values for the lever arm is most consistent with the drawing?

A

$7\text{ m}$

B

$3\text{ m}$

C

$2\text{ m}$

D

$0.7\text{ m}$