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Starting from rest, the cable can be wound onto the drum

Engineering Mechanics: Statics & Dynamics | 14th Edition | ISBN: 9780133951929 | Authors: Russell C. Hibbeler ISBN: 9780133951929 123

Solution for problem 12-201 Chapter 12

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Engineering Mechanics: Statics & Dynamics | 14th Edition | ISBN: 9780133951929 | Authors: Russell C. Hibbeler

Engineering Mechanics: Statics & Dynamics | 14th Edition

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Problem 12-201

Starting from rest, the cable can be wound onto the drum of the motor at a rate of vA = (3t 2) m>s, where t is in seconds. Determine the time needed to lift the load 7 m.

Step-by-Step Solution:

Problem 12-201Starting from rest, the cable can be wound onto the drum of the motor at a rate of v = (3t ) m/s, Awhere t is in seconds. Determine the time needed to lift the load 7 m. Step-by-step solution Step 1 of 4Write the relation for the length of the string 1. sB+ (s Bs )C= l 1 2sB s C l 1Here, s B s C are the lengths of the strings from the fixed supports to the corresponding points.Differentiate the equation once with respect to time. 2v v = 0 ……….(1) B C v C 2v BHere, v B v C are the velocities corresponding to points B and C respectively.

Step 2 of 4

Chapter 12, Problem 12-201 is Solved
Step 3 of 4

Textbook: Engineering Mechanics: Statics & Dynamics
Edition: 14
Author: Russell C. Hibbeler
ISBN: 9780133951929

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Starting from rest, the cable can be wound onto the drum