Important Questions for Class 8 Science Chapter 12 friction- Download Free PDF
CBSE Class 8 Science Chapter 12 MCQ Type Questions
1. ____ produces the least friction.
(a) Rolling friction
(b) Sliding friction
(c) Composite friction
(d) Static friction
2. ______ is responsible for wearing out of bicycle tyres.
(a) Magnetic force
(b) Muscular force
(c) Frictional force
(d) Electrostatic force
3. Force of friction is dependent on____
(a) roughness of surface
(b) smoothness of surface
(c) inclination of surface
(d) all of these
Comments