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18-18. The 20-lb block is at rest on the inclined plane where the coefficient of friction between the block and the plane is μ = 0.3. If the block starts from rest and is acted upon by a force F = 31, where F is in pounds and is in seconds, determine the time required for the block to attain a velocity of 5 ft/sec up the plane. The force always acts parallel to the plane. The stop block s prevents the block from initially moving down the plane. 20° Prob. 18-18

18-18. The 20-lb block is at rest on the inclined plane where the coefficient of friction between the block and the plane is μ = 0.3. If the block starts from rest and is acted upon by a force F = 31, where F is in pounds and is in seconds, determine the time required for the block to attain a velocity of 5 ft/sec up the plane. The force always acts parallel to the plane. The stop block s prevents the block from initially moving down the plane. 20° Prob. 18-18

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
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18-18. The 20-lb block is at rest on the inclined plane where the coefficient of friction between the block and the plane is μ = 0.3. If the block starts from rest and is acted upon by a force F = 31, where F is in pounds and is in seconds, determine the time required for the block to attain a velocity of 5 ft/sec up the plane. The force always acts parallel to the plane. The stop block s prevents the block from initially moving down the plane. 20° Prob. 18-18
Transcribed Image Text:18-18. The 20-lb block is at rest on the inclined plane where the coefficient of friction between the block and the plane is μ = 0.3. If the block starts from rest and is acted upon by a force F = 31, where F is in pounds and is in seconds, determine the time required for the block to attain a velocity of 5 ft/sec up the plane. The force always acts parallel to the plane. The stop block s prevents the block from initially moving down the plane. 20° Prob. 18-18
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