4.As shown in the figure, a square threaded screw isused in a vise to exert a pressure of 2 tons. If thescrew is double-threaded and has a pitch of 0.25 mand a mean radius of 1.5 inch, determine the torquethat must be applied at B to create this pressure.Assume the coefficient of friction to be 0.15.P

Answered: Image /qna-images/answer/e1d296c9-9d68-4bdd-9ab4-87eb53af20f3.jpg

Answered: 4.As shown in the figure, a square…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The band wrench of Fig. an oil filter from a car. (The filter acts as if it were a wheel with a resisting torque of 40 lb ft.) Determine the mini- mum coefficient of friction between the band and the filter that will prevent slippage. The weight of the handle can be neglected. is used to unscrew 40 Ib-ft 2.5 in. -2 in. 7.5 in.
The pressure distribution at the pivot bearing's surface of contact changes, as indicated. Determine the torque M necessary to overcome friction if the shaft sustains an axial force P and the coefficient of static friction is.
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A 150lb man stands on a 60lb bar to which a cable is fixed at B. The cable passes over two fixed pegs with coefficients of friction indicated. Assume that the arrangement of the pegs permits the cable to contact each peg over a total angle of 90-degrees (90-degrees per peg). Assume that the normal force exerted by the man on the bar acts downward through A. Find the largest force the man can exert on the cable and maintain the bar horizontal.
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A 150 lb man stands on a 60 lb bar to which the cable is tied at B. The cable passes over two fixed pegs with coefficient of frictions as indicated. You may treat the cable the same as you would treat a flexible flat belt. assume the normal force exerted by the man in the bar acts downward through point A. Find the smallest force the man can exert on the cable if the bar is to remain horizontal.
The root diameter of a triple threaded power screw is 550 mm It has a pitch of 10 mm It is used to lift a load of 15 kN. The collar of the screw has an outside diameter of 100 mm and an inner diameter 60 mm Find the force applied at a radius of 950 mm if the coeffcient of friction for both threads and collar is 0.20.
STATICS OF RIGID BODIES NEED ASAP RATE WILL BE GIVEN! NO LONG EXPLANATION NEEDED! SHOW THE COMPLETE SOLUTIONS. ANSWER IN 4 DECIMAL PLACES. NOTE: THE TOLERANCE IS 1 IN THE THIRD SIGNIFICANT DIGIT.
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