Answer:
Lakhmir Singh Physics Class 9 Solutions for Chapter 4 - Work and Energy is intended to guide you about work and energy. Everyone including people, animals and machines need the energy to perform exercises. For example, people need nourishment for creating energy and machines require fuel to work properly. In Chapter 4, we will learn the requirement for energy to perform different exercises.
In the chapter ‘Work and Energy,’ you will initially get to learn about work done on any object. Additionally, you will get to know the connection between work and energy. You will get to understand every one of the terms related to work, such as how is the work zero if an activity is done, or what amount of work is applied to the object?
This chapter explains how things work. What fundamentals are needed to play out a specific action, be it the working of a machine or running, swimming, and so on with regards to human beings?