BuyFind

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315
BuyFind

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
Publisher: Cengage Learning
ISBN: 9781133612315

Solutions

Chapter
Section
Chapter 3, Problem 21RQ
Textbook Problem

While discussing friction in matter: Technician A says that friction creates heat. Technician B says that friction only occurs with solids and is not present with liquids and gases. Who is correct?

  1. Technician A only
  2. Technician B only
  3. Both A and B
  4. Neither A nor B

Expert Solution
To determine

The Technician with correct approach on friction in matter.

Explanation of Solution

Given information:

Technician A says that friction creates heat.

Technician B says that friction only occurs with solids and is not present with liquids and gases.

When two solid bodies are allowed to slide or roll over each other, their motion is restricted by an opposing force. This restricting force is termed friction. Due to this friction, there is a loss of energy. This loss of energy dissipates as heat energy at the surface of contact between the two bodies. For example, if we rub our hands we can feel warm. This is due to the heat generated because of friction.

Friction also occurs in liquids and gases...

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