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Question: 83 pts a singlethread power screw is 25mm in diameter...

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83 pts) A single-thread power screw is 25-mm in diameter with a pitch of 5-mm. A vertical load n the screw is 5kN. The coefficients of friction are 0.06 for the collar and 0.09 for the threads. he frictional diameter of the collar is 45-mm. Find the torque to raise the load.
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