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HW Q1) 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.

HW Q1) 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.

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
Problem 1.1MA
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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 30⁰ Q2) The coefficients of friction between the block and the rail are u.= 0.30 and μ = 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. P 35° 500 N Q3) The coefficients of friction are μ = 0.40 and μ = 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 B 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 30⁰ Q2) The coefficients of friction between the block and the rail are u.= 0.30 and μ = 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. P 35° 500 N Q3) The coefficients of friction are μ = 0.40 and μ = 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 B 30 kg
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