Posted by admin | Posted in Baby Central | Posted on 15-06-2007
Tags: blouse, clothing, dresses, etsy, jibri
Belt Wrap Top
Physics help please!?
A single belt is wrapped around two pulleys. The drive pulley has a diameter of 10 cm and the output pulley has a diameter of 20 cm. If the top belt tension is essentially 50 N at the edge of each pulley, what are the input and output torques?
Thank you 
Is "Unable to determine" a choice?
If the pulleys were giving the belt a tension of 50 N at rest, (top and bottom) then the input/output torques would be 0.
If you assume the tension on the bottom of the belt is 0, then that's a sensible problem. The torque is just force * distance.
Common units are Newton meters, so:
drive torque = .05 * 50 Newton meters.
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