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After reading this chapter, students will get to know about what is friction, the forces of friction, factors affecting friction, increasing and reducing friction, types of friction, what are the causes of friction, and why friction is necessary.
4 Οκτ 2019 · Friction Class 8 Science NCERT Textbook Questions. Question 1. Fill in the blanks. (a) Friction opposes the ______ between the surfaces in contact with each other. (b) Friction depends on the ______ of surfaces. (d) The sprinkling of powder on the carrom board _______ friction.
friction always opposes the applied force. In the above activity, the force of friction acts between the surface of the book and the surface of the table. Is the friction the same for all the surfaces? Does it depend on the smoothness of the surfaces? Let us find out. 12.2 Factors affecting Friction Activity 12.2 Tie a string around a brick ...
Laws of friction explain how friction experienced by the object is proportional and perpendicular to the normal force. There are 5 laws of friction. Learn more about them here.
1 Απρ 2024 · In this chapter, you will get to know the topics like forces of friction, factors affecting friction, why friction is necessary, what is increasing and decreasing friction, how wheels reduce friction, static friction, ball bearings, fluid friction, use of lubricants and more.
Get free NCERT Solutions for Science Class 8 Chapter 9 Friction solved by experts. Available here are Chapter 9 - Friction Exercises Questions with Solutions and detail explanation for your practice before the examination
24 Ιουν 2021 · Friction NCERT Solutions for Class 8 Science Chapter 12. Class 8 Science Chapter 12 Friction Textbook Exercise Questions and Answers. Page-155. Question 1. Fill in the blanks: a. Friction opposes the ……………. between the surfaces in contact with each other. b. Friction depends on the ……………. of surfaces. c. Friction produces ……………. d.
