Lakhmir Singh and Manjit Kaur Solutions for Chapter: Friction, Exercise 3: Long Answer Type Questions

Author:Lakhmir Singh & Manjit Kaur

Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Friction, Exercise 3: Long Answer Type Questions

Attempt the free practice questions on Chapter 12: Friction, Exercise 3: Long Answer Type Questions with hints and solutions to strengthen your understanding. Lakhmir Singh's SCIENCE FOR CLASS 8 solutions are prepared by Experienced Embibe Experts.

Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Friction, Exercise 3: Long Answer Type Questions with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT

Define friction. What are the factors affecting friction? Explain with examples. 
 

MEDIUM
8th CBSE
IMPORTANT

What is the cause of friction? Explain with the help of a labelled diagram.

MEDIUM
8th CBSE
IMPORTANT

Give an example to show that friction depends on the force with which the two surfaces are pressed together.     
 

MEDIUM
8th CBSE
IMPORTANT

How can a very heavy machine be moved conveniently from one place to another in a factory? (No crane is available for this purpose). 
 

EASY
8th CBSE
IMPORTANT

What is drag? Give two examples of a drag force.
 

EASY
8th CBSE
IMPORTANT

How can you reduce the drag on something moving through the air?

EASY
8th CBSE
IMPORTANT

What is meant by 'streamlined shape'? Name an object which usually has a streamlined shape.
 

MEDIUM
8th CBSE
IMPORTANT

Explain why, objects moving in fluids should have streamlined shape.