# How does a 'cheater bar' added to the end of a wrench, create more torque?

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#### Explanation

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#### Explanation:

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1
Mar 8, 2018

Because the formula for torque is $\tau = r \cdot F \cdot \sin \theta$.

#### Explanation:

The $r$ in the formula above is the length of the wrench. A cheater bar increases the value of $r$ and therefore increases $\tau$.

I hope this helps,
Steve

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