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Class 8 Science — Chapter 9: Friction
6 practice questions · 2 Easy · 2 Medium · 2 Hard
Free NCERT-aligned multiple-choice practice for Class 8 Science, Chapter 9 (Friction). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 6.
Sample questions
Q1Easy
Friction is:
A.Force opposing relative motion✓ correct
B.Type of energy
C.Light
D.Sound
Why
Always opposes motion.
Q2Medium
Lubricants reduce friction by:
A.Forming a thin film between surfaces✓ correct
B.Cooling them
C.Heating them
D.Painting them
Why
Oil/grease coat smooths motion.
Q3Hard
Drag is friction in:
A.Fluids (air, water)✓ correct
B.Solids only
C.Vacuum
D.Light
Why
Streamlined shapes reduce drag.
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