A block of mass m:=4 kg is placed on an inclined plane with angle a-35°, connected to a second hangingblock of mass m_2 by a cord passing over a small frictionless pulley. The static and kinetic frictioncoefficients are \mu_s=0.5 and \mu_k=0.3, respectively.a.- Determine the mass m_2 such that the block m_1 rises along the plane with constant speed once setin motion.1.35 kgB:1.31 kg1.52 kgB:C:0.65 kg1.17 kgb.- Determine the mass m1 such that the block mi moves down the plane with constant speed once set inmotion.D:0.92 kg1.61 kgD:E:1.54 kgE:3.28 kg2.15 kgc. In what range of values of m2 do the blocks remain at rest, if they are released from rest?A 0.25 kgs my s1.36 B: 0.65 kg smis 3.93 C 0.13 kgs mas 1.87 D: 0.43 kg smis 2.23 E: 0.35 kg s mis 3.87kgkgkgkg

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A block of mass m: 4 kg is placed on an inclined plane with angle a=35°, connected to a second hanging block of mass m_2 by a cord passing over a small frictionless pulley. The static and kinetic friction coefficients are \mu_s=0.5 and \mu_k=0.3, respectively. a

A block of mass m: 4 kg is placed on an inclined plane with angle a=35°, connected to a second hanging block of mass m_2 by a cord passing over a small frictionless pulley. The static and kinetic friction coefficients are \mu_s=0.5 and \mu_k=0.3, respectively. a

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 7.24P: A uniform plank is supported by a fixed support at A and a drum at B that rotates clockwise. The...

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A block of mass m:=4 kg is placed on an inclined plane with angle a-35°, connected to a second hanging
block of mass m_2 by a cord passing over a small frictionless pulley. The static and kinetic friction
coefficients are \mu_s=0.5 and \mu_k=0.3, respectively.
a.- Determine the mass m_2 such that the block m_1 rises along the plane with constant speed once set
in motion.
1.35 kg
B:
1.31 kg
1.52 kg
B:
C:
0.65 kg
1.17 kg
b.- Determine the mass m1 such that the block mi moves down the plane with constant speed once set in
motion.
D:
0.92 kg
1.61 kg
D:
E:
1.54 kg
E:
3.28 kg
2.15 kg
c. In what range of values of m2 do the blocks remain at rest, if they are released from rest?
A 0.25 kgs my s1.36 B: 0.65 kg smis 3.93 C 0.13 kgs mas 1.87 D: 0.43 kg smis 2.23 E: 0.35 kg s mis 3.87
kg
kg
kg
kg

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