Geetha Iyer Solutions for Exercise 3: Revise and recall

Author:Geetha Iyer

Geetha Iyer Science Solutions for Exercise - Geetha Iyer Solutions for Exercise 3: Revise and recall

Attempt the practice questions from Exercise 3: Revise and recall with hints and solutions to strengthen your understanding. Science Now 8 solutions are prepared by Experienced Embibe Experts.

Questions from Geetha Iyer Solutions for Exercise 3: Revise and recall with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>Revise and recall>Q 1

The force that opposes the motion of a body over a surface is called _____.(muscular force/friction)

EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>Revise and recall>Q 2

Rolling friction is _____ (greater/lesser) than sliding friction.

EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>Revise and recall>Q 3

The _____ (irregularities/regularities) on surfaces is the cause of friction between them.

EASY
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>Revise and recall>Q 4

 Use of lubricants _____ (increases/decreases) friction.

MEDIUM
8th CBSE
IMPORTANT
Science Now 8>Chapter 10 - Force and Friction>Revise and recall>Q 5

The streamlined shape of a car _____ drags due to air. (reduces/enhances)