Problem 8.2 As shown in Fig. 8.4, consider a block of mass 45 kg which is being pulled on a rough horizontal surface by a person using a rope. The rope makes an angle 0 = 35° with the horizontal. As the result of constant force T 190 N applied by the person, the block moves with constant accelera- 0.86 m/s? in the direction of the applied force. Deter- mine the coefficient of friction u between the block and the surface if the bottom of the block remains in full contact with tion a the ground surface during the motion.

College Physics
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Chapter1: Units, Trigonometry. And Vectors
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Fig. 8.4 A block is being pulled
on a horizontal surface
Transcribed Image Text:Fig. 8.4 A block is being pulled on a horizontal surface
Problem 8.2 As shown in Fig. 8.4, consider a block of mass
45 kg which is being pulled on a rough horizontal surface by
a person using a rope. The rope makes an angle 0 = 35° with
the horizontal. As the result of constant force T = 190 N
applied by the person, the block moves with constant accelera-
0.86 m/s in the direction of the applied force. Deter-
mine the coefficient of friction u between the block and the
surface if the bottom of the block remains in full contact with
tion a
the ground surface during the motion.
Answer: µ
0.35
Transcribed Image Text:Problem 8.2 As shown in Fig. 8.4, consider a block of mass 45 kg which is being pulled on a rough horizontal surface by a person using a rope. The rope makes an angle 0 = 35° with the horizontal. As the result of constant force T = 190 N applied by the person, the block moves with constant accelera- 0.86 m/s in the direction of the applied force. Deter- mine the coefficient of friction u between the block and the surface if the bottom of the block remains in full contact with tion a the ground surface during the motion. Answer: µ 0.35
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