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# NCERT Solutions for Class 8 Science Chapter 12 Free PDF Download

## NCERT Solutions for Class 8 Science Chapter 12 – Friction

This article deals with NCERT Solutions for Class 8 Science Chapter 12. Physics is a subject that demands curiosity. NCERT Solutions certainly aim to arouse the curiosity of Physics. The preparation of these solutions is done by experienced Physics teachers. Here the concept gets broken into simple steps. Therefore, it becomes easier for students to deeply understand Physics. With NCERT Solutions students will develop a love for Physics rather than fearing it.

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### CBSE Class 8 Science Chapter 12 – Friction NCERT Solutions

NCERT Solutions for Class 8 Science Chapter 12 deals with Friction. First of all, Friction refers to a force. This force resists the relative motion. Furthermore, this relative motion can be of liquid layers and solid surfaces. It takes place when these layers or surfaces slide against each other. Above all, the Friction between two surfaces converts kinetic energy into thermal energy. Friction is certainly very important to enable motion on land. Vehicles need Friction to accelerate, decelerate, and change direction. There are causes, effects, application and properties of Friction in this chapter. Diagrams and images are there for even better understanding of this chapter.

### Sub-topics covered under NCERT Solutions for Class 8 Science Chapter 12

• 12.1 Force of Friction
• 12.2 Factors affecting Friction
• 12.3 Friction: A Necessary Evil
• 12.4 Increasing and Reducing Friction
• 12.5 Wheels Reduce Friction
• 12.6 Fluid Friction

### NCERT Solutions for Class 8 Science Chapter 12

Friction is certainly a very important subject of Physics. Friction plays a very influential role in various Scientific and Geographical situations. Students will learn how motions happen with the help of Friction. They would understand that nobody could walk without Friction. Furthermore, students would understand that the movement of vehicles is not possible without Friction. Hence, students will learn about this force that has tremendous usage. Its usage is for both professional and personal life.

#### Below lies a brief explanation of the sub-units:

12.1 Force of Friction – Force of Friction is any force that opposes the motion of an object. Furthermore, this happens when the object comes into contact with other bodies.

12.2 Factors affecting Friction – Here discussion of various Factors occurs. Also, these factors are those that affect Friction.

12.3 Friction: A Necessary Evil – Friction is certainly a necessary evil. This is because it is useful as well as harmful.

12.4 Increasing and Reducing Friction – Friction certainly increases and decreases. This article discusses how can we increase Friction as well as reduce it.

12.5 Wheels Reduce Friction – Wheels certainly reduces Friction. This happens as the wheel allows the contracting surfaces to roll rather than drag.

12.6 Fluid Friction – Fluid Friction is friction between layers of a liquid. This liquid is viscous in nature. This happens when layers of the liquid move relative to each other.

You can download NCERT Solutions for Class 8 Science Chapter 12 PDF by clicking on the button below

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