Class 8 Science - Chapter Friction NCERT Solutions | Fill in the blanks: (a) Friction oppose

Welcome to the NCERT Solutions for Class 8th Science - Chapter Friction. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: fill in the blanks a friction opposes the ....
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) Sprinkling of powder on the carrom board ________ friction.
(e) Sliding friction is ___________ than the static friction.

Answer

(a) Motion

Friction is the opening force which change in state of the motion.

(b) Nature

Friction depends on the nature of the surface. Rough surface have high friction and smooth surface have less friction.

(c) Heat

Friction produces heat, it is the opposing force acting on the surface.

(d) Reduce

Powder is used as lubricant to smoothen the surface.

(e) Less

Sliding friction is less than the static friction, sliding friction is less than the static friction, sliding friction is the friction when one slides over another body.

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