AP® Physics 1 & 2

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Moderate

Torque On a Unicycle

APPH12-1SXKB8

You are riding a unicycle where the wheel has a diameter of $65 \text{ cm}$ and the length of the piece connecting the two pedals is $30\text{ cm}$. Your leg and foot push down with $110 \text{ N}$ of force at a $60^\circ$ angle as shown by the green line in the drawing.

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

Which of the following torques is consistent with this information?

A

$14.3\ \mathrm{m\cdot N}$

B

$31.0\ \mathrm{m\cdot N}$

C

$1650\ \mathrm{m\cdot N}$

D

$7150\ \mathrm{m\cdot N}$