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6. A motor winds the rope in B with a constant acceleration aB. Because of the pulley system, the mass m in A slides in this way to the left over a horizontal axis. Between m and the left end point of the horizontal axis, there is a spring (constant k, unstretched length l6). The coefficient of kinetic friction between m and the axis is µk. When Sa equals 1.5 m, vB equals 6 m/s. For this situation: a) determine at that instant the velocity Va and the acceleration aa of A, b) determine all the forces that apply on A, c) determine the force with which the motor pulls the rope. Data: ав 3 2 m/s2, m = 2 kg, k 150 N/m, l 2 m, µk = 0.3 %3D SA 2 m

6. A motor winds the rope in B with a constant acceleration aB. Because of the pulley system, the mass m in A slides in this way to the left over a horizontal axis. Between m and the left end point of the horizontal axis, there is a spring (constant k, unstretched length l6). The coefficient of kinetic friction between m and the axis is µk. When Sa equals 1.5 m, vB equals 6 m/s. For this situation: a) determine at that instant the velocity Va and the acceleration aa of A, b) determine all the forces that apply on A, c) determine the force with which the motor pulls the rope. Data: ав 3 2 m/s2, m = 2 kg, k 150 N/m, l 2 m, µk = 0.3 %3D SA 2 m

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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6. A motor winds the rope in B with a constant acceleration aB. Because of the pulley system, the mass m in A slides in this way to the left over a horizontal axis. Between m and the left end point of the horizontal axis, there is a spring (constant k, unstretched length l). The coefficient of kinetic friction between m and the axis is Pk. When Sa equals 1.5 m, VB equals 6 m/s. For this situation: a) determine at that instant the velocity vA and the acceleration aa of A, b) determine all the forces that apply on A, c) determine the force with which the motor pulls the rope. Data: ав 3 2 m/s2, m = 2 kg, k = 150 N/m, l 2 m, µk = 0.3 %D В SA 2m
Transcribed Image Text:6. A motor winds the rope in B with a constant acceleration aB. Because of the pulley system, the mass m in A slides in this way to the left over a horizontal axis. Between m and the left end point of the horizontal axis, there is a spring (constant k, unstretched length l). The coefficient of kinetic friction between m and the axis is Pk. When Sa equals 1.5 m, VB equals 6 m/s. For this situation: a) determine at that instant the velocity vA and the acceleration aa of A, b) determine all the forces that apply on A, c) determine the force with which the motor pulls the rope. Data: ав 3 2 m/s2, m = 2 kg, k = 150 N/m, l 2 m, µk = 0.3 %D В SA 2m
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