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HW QI) Knowing that the coefficient of friction between the 25-kg block and the incline is H. = 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of B. 25 kg 30

HW QI) Knowing that the coefficient of friction between the 25-kg block and the incline is H. = 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of B. 25 kg 30

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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HW QI) Knowing that the coefficient of friction between the 25-kg block and the incline is µ = 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of B. P 25 kg 30° Q2) The coefficients of friction between the block and the rail are u. = 0.30 and le = 0.25. Knowing that 0=65°, determine the smallest value of P required (a) to start the block moving up the rail, (b) to keep it from moving down. 35° 500 N Q3) The coefficients of friction are . = 0.40 and ue = 0.30 between all surfaces of contact. Determine the smallest force P required to start the 30-kg block moving if cable AB (a) is attached as shown, (b) is removed. A 20 kg 30 kg
Transcribed Image Text:HW QI) Knowing that the coefficient of friction between the 25-kg block and the incline is µ = 0.25, determine (a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of B. P 25 kg 30° Q2) The coefficients of friction between the block and the rail are u. = 0.30 and le = 0.25. Knowing that 0=65°, determine the smallest value of P required (a) to start the block moving up the rail, (b) to keep it from moving down. 35° 500 N Q3) The coefficients of friction are . = 0.40 and ue = 0.30 between all surfaces of contact. Determine the smallest force P required to start the 30-kg block moving if cable AB (a) is attached as shown, (b) is removed. A 20 kg 30 kg
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