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AP® Physics 1 & 2

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Difficult

Competing Torques

APPH12-KG4SMA

A wheel ($r$ $=$ $0.35$ $m$; $m$ $=$ $4$ $kg$) is currently at rest when two forces are applied as shown in the image. The forces are applied for $3.5$ $s$.

What is the magnitude of the final angular velocity after the time has elapsed?

A

$70$ $rad/s$

B

$30$ $rad/s$

C

$40$ $rad/s$

D

$10$ $rad/s$