Chapter 9, Problem 26CA

Summary Introduction

To explain:

The functioning of the limb movements as levers.

Introduction:

The devices that follow the rule of mechanics are known as levers. There are three classes of levers such as a first-class lever, second-class lever, and third-class lever. The muscles support the skeletal system of human body. The muscles contract and relax to cause the movements in the body. The movement of the parts of the body follows the simple rules of mechanics.