Lakhmir Singh and Manjit Kaur Solutions for Chapter: Friction, Exercise 3: Long Answer Type Questions
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
Define friction. What are the factors affecting friction? Explain with examples.

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

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

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

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

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

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

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