CBSE Class 8 Science - Friction (2)

Scroll down for PDF

CBSE Class 8 Science - Friction (2)

Chapter wise assignments are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all assignments which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material.


1 Explain Why, it is easier to drag a mat on floor when nobody is sitting on it but

much more difficult to drag the same mat when a person is sitting on it.

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

3 What is the cause of friction? Explain with the help of labeled diagram.

4 Which type of surfaces produce {a} least friction, and {b} too much friction?

5 What is the direction of force of friction acting on a moving object?

6 A car is moving towards North. What will be the direction of force of friction

acting on this car due to surface of road?

7 When a pencil cell is released from a certain point on an inclined wooden board, it

travels a distance of 35 cm on floor A before it comes to rest. When the same

pencil cell is released from the same point on the same inclined board, it travels a

distance of 20 cm on floor B before coming to rest. Which floor, A or B, offers

greater friction? Give reason for your answer.

8 What kind of friction comes into play:

(a) When a block of wood kept on table moves slowly?

(b) When a block of wood kept on table just tends to move ( or slip)

(c) When a block of wood kept on cylindrical iron rods moves?

9 Out of sliding friction, static friction & rolling friction:

(a) Which one is the smallest?

(b) Which one is the largest?

10 Explain why, sliding friction is less than static friction.

11 What is meant by ‘rolling friction’?

12 Why does a man slip when he steps on a banana peel thrown on the road?

13 Explain why:

(a) a pencil will write on paper but not on glass

(b) The handles of motor cycle are covered with a rubber sheet with spikes.

Please click the below link to access CBSE Class 8 Science - Friction (2)


Click on the text For more study material for Science please click here - Science

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Simple tips to Excel in Examinations

We are entering the last quarter of the Academic Session. With examinations just around the corner, I am sure all of us are carrying a mixed bag of Stress, Excitement, and Anxieties!! So, first and foremost- Let’s be Positive and Futuristic! It’s most important to...

CBSE Board Exam Date Sheet of class 10th and 12th

The Central Board of Secondary Education (CBSE) released the Date sheet of Class 10 and Class 12th 2020 examination on the official website The board examination of Class 12 will be conducted from 15 February to 30 March 2020, while the board examination...

CBSE Counseling for Board exam 2020 starts today

The 23rd psychological Counseling starts 1st February (today) for The Class10 and Class12 CBSE students and their parents, by the Central Board of Secondary Education (CBSE).    This Counseling service is cost-free and this counseling service will be available every...

Studies Today