Friction is the force that opposes motion between two surfaces in contact. It plays a very important role in our daily life. Class 8 Science Chapter 9 – “Friction” explains how friction works, its advantages and disadvantages, and methods of increasing or reducing it. By attempting this free online MCQs test, students can make their revision more effective and improve exam preparation.
Table of Contents
Key Topics of Chapter 9
Students will learn about:
- Friction: Definition and causes (irregularities on surfaces)
- Types of friction: Static friction, sliding friction, rolling friction, and fluid friction (drag)
- Advantages of friction: Walking, writing, fixing nails, etc.
- Disadvantages of friction: Wear and tear, wastage of energy, production of heat
- Ways to reduce friction: Lubricants, ball bearings, streamlined shapes
- Ways to increase friction: Using rough surfaces, spikes in shoes/tires
Also Read- Class 8 All Book Free MCQ Online Test
Class 8 Science Chapter 9 Friction MCQs Online Test
The MCQs Online Test helps students:
- Revise definitions and concepts quickly
- Strengthen knowledge of types and effects of friction
- Prepare effectively for school exams
- Learn in an interactive and fun way
Please read the instructions carefully before the test.
1. All the students must take note of the time because the time limit is 45 minutes.
2. Attempt all the Questions.
3. Each MCQ carries 1 mark, and each fill-up carries 2 marks.