# Consider a tug-of-war as in Figure CQ5.1, in which two teams pulling on a rope are evenly matched so that no motion takes place. Is work done on the rope? On the pullers? On the ground? Is work done on anything? Figure CQ5.1

### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

### College Physics

11th Edition
Raymond A. Serway + 1 other
Publisher: Cengage Learning
ISBN: 9781305952300

#### Solutions

Chapter
Section
Chapter 5, Problem 1CQ
Textbook Problem

## Consider a tug-of-war as in Figure CQ5.1, in which two teams pulling on a rope are evenly matched so that no motion takes place. Is work done on the rope? On the pullers? On the ground? Is work done on anything?Figure CQ5.1

Expert Solution
To determine
Whether there is any work done on the rope, pullers, ground and on anything.

### Explanation of Solution

The work done on an object is,

W=Fd

• F is the force on the object
• d is the displacement vector

Since, the rope is not having any displacement; the dot product in the above expression is zero. Thus, the work done on the rope is zero.

The pullers of the rope are not making any displacement on the ground; therefore, the work done on the ground is also zero.

Since, there is no displacement is happening in the process given, thus, there is no work done on anything.

Conclusion:

Thus, there is no work done on the rope, pullers, ground and on anything in the situation.

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