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**Torque of a pin. Please Help!**

## Homework Statement

How much torque must the pin exert to keep the rod from rotating? (L=100.9 cm, M=3.98 kg, m=537 g.)

I attached the picture of the problem. I am unsure how to approach the problem. I am looking through my College Physics and cannot find an equation to solve this problem. Help please!

## Homework Equations

Torque=distance from the pivot*the force