15-23. The motor pulls on the cable at A with a forceF = (30 + P) lb, where t is in seconds. If the 34-lb crate isoriginally on the ground at t=0, determine its speed in t=4 s.Neglect the mass of the cable and pulleys. Hint: First findthe time needed to begin lifting the crate.

Given: The equation of force, F = 30 + t2 The weight of the crate, W = 34 lb The time at which…

Answered: 15-23. The motor pulls on the cable at…

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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15-23. The motor pulls on the cable at A with a force F = (30 + P) lb, where t is in seconds. If the 34-lb crate is originally on the ground at t=0, determine its speed in t=4 s. Neglect the mass of the cable and pulleys. Hint: First find the time needed to begin lifting the crate.