15-33. The log has a mass of 500 kg and rests on the ground for which the coefficients of static and kinetic friction are H, = 0.5 and µe = 0.4, respectively. The winch delivers a horizontal towing force T to its cable at A which varies as shown in the graph. Determine the speed of the log when t = 5 s. Originally the tension in the cable is zero. Hint: First determine the force needed to begin moving the log.

15-33. The log has a mass of 500 kg and rests on the ground for which the coefficients of static and kinetic friction are H, = 0.5 and µe = 0.4, respectively. The winch delivers a horizontal towing force T to its cable at A which varies as shown in the graph. Determine the speed of the log when t = 5 s. Originally the tension in the cable is zero. Hint: First determine the force needed to begin moving the log.

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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Question

15-33. The log has a mass of 500 kg and rests on the ground
for which the coefficients of static and kinetic friction are
H, = 0.5 and µe = 0.4, respectively. The winch delivers a
horizontal towing force T to its cable at A which varies as
shown in the graph. Determine the speed of the log when
t = 5 s. Originally the tension in the cable is zero. Hint: First
determine the force needed to begin moving the log.
T (N)
1800
T = 200
t (s)
3
AT

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