A C Sehgal Solutions for Exercise 3: EXERCISES

Author:A C Sehgal

A C Sehgal Science Solutions for Exercise - A C Sehgal Solutions for Exercise 3: EXERCISES

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

Questions from A C Sehgal Solutions for Exercise 3: EXERCISES with Hints & Solutions

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q E

Discuss three situations in daily life where friction is an advantage?

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q E

Explain with examples the disadvantages of friction.

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q E

Explain four methods by which friction between two solid surfaces in contact can be reduced.

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 1

If there was no friction, what would happen to a moving object?

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 2

When you rub your hands together, they become warm. What is this due to?

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 3

If you try to hold a glass with oil on your hands, it tends to slip. Why? 

MEDIUM
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 4

Why do you think rolling friction is less than sliding friction?

EASY
8th CBSE
IMPORTANT
Living Science 8>Chapter 12 - Friction>EXERCISES>Q 5

Friction is a necessary evil. Explain.