NCERT Grade 8 Science Chapter 12 Friction is an important chapter of Physics that deals with the slowing down or resistance of motion. Its causes, effects, applications and other fundamental properties are discussed in this chapter. The chapter begins with daily-life examples and gradually introduces the concept of Friction in its first section. Diagrams and images aid for better understanding and prove to be a helpful learning tool.
Factors affecting Friction such as surface irregularities, force, etc. are discussed in the next section of the topic. How is Friction a Necessary Evil and how does it affect are daily life activities such as walking and locomotion is discussed further in the chapter. Methods to Reduce and Increase Friction, Types of Friction, Role of Wheels to reduce Friction and Fluid Friction are some of the important concepts discussed in NCERT Grade 8 Science Chapter 12 Friction.
Every concept is explained in a very simple language for better understanding. Every concept is demonstrated with a diagram and daily life examples for in-depth understanding and better retention. Activities and project work help the students to learn beyond the textbook and expand their learning. These also help to invoke the scientific curiosity and excitement in the students.
Get 100 percent accurate NCERT Solutions for Class 8 Science Chapter 12 (Friction) explained by expert Science teachers. We provide solutions for the questions given in Class 8 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 8 Science. The topics and sub-topics in Chapter 12 Friction are given below.
EX - 12.1 Force of Friction
EX - 12.2 Factors affecting Friction
EX - 12.3 Friction : A Necessary Evil
EX - 12.4 Increasing and Reducing Friction
EX - 12.5 Wheels Reduce Friction
EX - 12.6 Fluid Friction.
We cover all exercises in the chapter given below:-
Chapter 12 - 10 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Friction. Download the free PDF of Chapter 12 Friction and take the print out to keep it handy for your exam preparation.