The screw shown in the figure is used to compress a spring of constant 5 kN / m through a wedge of mass of 20 kg and resting on a surface A. The screw consists of a 4 mm double pitch thread and a diameter of 1 cm. Also, the coefficient of friction between the threads is 0.35 and the coefficient of friction between the wedge and the surface is 0.20. With the information provided, determine: a) The force exerted by the screw on the wedge if the applied force P is 300 N (hint: this force is applied 10 cm from the center of the screw) b) The distance the spring is compressed (assume the spring is uncompressed if no load is applied
The screw shown in the figure is used to compress a spring of constant 5 kN / m through a wedge of mass of 20 kg and resting on a surface A. The screw consists of a 4 mm double pitch thread and a diameter of 1 cm. Also, the coefficient of friction between the threads is 0.35 and the coefficient of friction between the wedge and the surface is 0.20. With the information provided, determine: a) The force exerted by the screw on the wedge if the applied force P is 300 N (hint: this force is applied 10 cm from the center of the screw) b) The distance the spring is compressed (assume the spring is uncompressed if no load is applied
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.
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The screw shown in the figure is used to compress a spring of constant 5 kN / m through a wedge of mass of 20 kg and resting on a surface A. The screw consists of a 4 mm double pitch thread and a diameter of 1 cm. Also, the coefficient of friction between the threads is 0.35 and the coefficient of friction between the wedge and the surface is 0.20. With the information provided, determine:
a) The force exerted by the screw on the wedge if the applied force P is 300 N (hint: this force is applied 10 cm from the center of the screw)
b) The distance the spring is compressed (assume the spring is uncompressed if no load is applied)
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