
Concept explainers
To Calculate: The work done to lift the lower end of a vertical hanging rope to the level of the upper end.

Answer to Problem 16E
The work done to raise the lower end of the chain to the level of its upper end is
Explanation of Solution
Given Information: The weight of the chain is
Concept Used: The work done by a force
Calculation:The weight per unit length of the chain is
An infinitesimally small element of length
The work done to lift this infinitesimally small element of length
The total work done is the integral of this infinitesimally small work from
So
Therefore, the total work done is
Chapter 6 Solutions
Single Variable Calculus: Concepts and Contexts, Enhanced Edition
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