Blocks A and B have a mass MA and MB, respectively. If the coefficient of static friction between A and B and between B and Cis ps and between the ropes and the pegs D and E ps, determine the smallest force F needed to cause motion of block B . Units Used: kN =103 N Given: ?=45deg s =0.25 MA =100 kg ps = 0.5 MB =150 kg P=30N g=9.81m/s2 Blocks A and B have a mass MA and MB,respectively. If the coefficient of static frictionbetween A and B and between B and C is us andbetween the ropes and the pegs D and E ps,determine the smallest force F needed to causemotion of block B.Units Used:kN = 103 NGiven:? = 45 deg us = 0.25%3DΜA- 100 kg μs - 0.5%3DMB = 150 kg P = 30 Ng = 9.81m/s2DF

Blocks A and B have a mass MA and MB, respectively. If the coefficient of static friction between A and B and between B and C is us and between the ropes and the pegs D and E us, determine the smallest force F needed to cause motion of block B. Units Used: kN = 103 N Given: ? = 45 deg us = 0.25 MA = 100 kg us = 0.5 %3D %3D MB = 150 kg P = 30 N %3D g = 9.81m/s2 D

Blocks A and B have a mass MA and MB, respectively. If the coefficient of static friction between A and B and between B and C is us and between the ropes and the pegs D and E us, determine the smallest force F needed to cause motion of block B. Units Used: kN = 103 N Given: ? = 45 deg us = 0.25 MA = 100 kg us = 0.5 %3D %3D MB = 150 kg P = 30 N %3D g = 9.81m/s2 D

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.8P: The brake pads at C and D are pressed against the cylinder by the spring BF. The coefficient of...

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