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Determine the force required to raise a load of 3100 lbs., when a 2.5 in. triple threaded square power screw is used along with a collar having an outer diameter 4.5 in. and inner diameter 3.0 in. The pitch of the thread is 0.5 in. The operating force is applied at a radius of 38 in. Assume the coefficient of friction for both collar and threads as 0.2.

Determine the force required to raise a load of 3100 lbs., when a 2.5 in. triple threaded square power screw is used along with a collar having an outer diameter 4.5 in. and inner diameter 3.0 in. The pitch of the thread is 0.5 in. The operating force is applied at a radius of 38 in. Assume the coefficient of friction for both collar and threads as 0.2.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Determine the force required to raise a load of 3100 lbs., when a 2.5 in. triple threaded square power screw is used along with a collar having an outer diameter 4.5 in. and inner diameter 3.0 in. The pitch of the thread is 0.5 in. The operating force is applied at a radius of 38 in. Assume the coefficient of friction for both collar and threads as 0.2.
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