# CBSE Class 9 Science Gravitation Worksheet

Read and download free pdf of CBSE Class 9 Science Gravitation Worksheet. Students and teachers of Class 9 Science can get free printable Worksheets for Class 9 Science Chapter 10 Gravitation in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 9 students should practice questions and answers given here for Science in Class 9 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 9 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

## Worksheet for Class 9 Science Chapter 10 Gravitation

Class 9 Science students should refer to the following printable worksheet in Pdf for Chapter 10 Gravitation in Class 9. This test paper with questions and answers for Class 9 will be very useful for exams and help you to score good marks

### Class 9 Science Worksheet for Chapter 10 Gravitation

CBSE Class 9 Science Worksheet - Gravitation. Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

GRAVITATION

Conceptual Questions

1

When a spring balance, holding mass is let to fall freely, what reading will it show?

1

2

The value of G on the surface of the earth is 6.67 x 10-11 Nm2kg-2. What will be its value on the surface of the moon?

1

(2011)

3

Two balls of different masses are thrown vertically upwards with same initial speed. Which one of them will rise to the greater height?

1

4

Suppose gravity of earth suddenly becomes zero, then in which direction will the moon begin to move, if no other celestial body affects it?

1

5 Differentiate between Universal gravitation constant and acceleration due to gravity.

1

6

Explain why a sheet of paper falls slower than one that is crumpled in to a ball?

1

7

Write any two applications of Archimedes’ principle.

1

8

An egg sinks in fresh water but floats in highly salty water. Why?

1

(2012)

9

Define the S.I unit of pressure.

10

Draw a diagram to show the forces acting on an object which is immersed in a liquid. Also name the forces.

2

11

Differentiate between upthrust and weight.

When does an object float or sink when immersed in a liquid?

2

(2012)

12

Distinguish between the terms mass and weight.

2

(2012)

13

Give reason for the following (i) school bags have broad straps

(ii) needles have sharp edges

2

14

A ship made of iron floats on water but an iron needle sinks. Explain why.

2

15

Write the factors on which the buoyant force on a body immersed in a liquid depends

16

Identical packets are dropped from two airplanes, one above the equator and the other above the north pole, both at height h. Assuming all conditions are identical, will those packets take same time to reach the surface of earth. Justify your answer.

2

17

What is meant by freefall? Two objects of masses m1 and m2 are dropped in vacuum from a height above the surface of earth. Will there be any difference in the time in which these respectively reach the ground? Give reason for your

3

18

What is the importance of Newton’s law of gravitation? According to Newton’s law of gravitation, the apple and the earth experience equal and opposite forces due to gravitation. But it is the apple that falls towards the earth and not vice –versa. Why?

3

Numericals

19

An object is thrown vertically upwards and rises to a height of 10 m. Calculate the velocity with which the object was thrown upwards? Take g=9.8 m/s2

2

20

Calculate the gravitational force between a 10 kg ball and a 20 kg ball placed at a separation of 5m.

2

21

The gravitational force between two objects is 100 N .How should the distance between the objects be changed so that the force becomes 50 N?

2

2012

22

The weight of an object on the surface of the moon is 1.67 N and its mass on its surface is 1 kg. Calculate its weight and mass on the surface of earth. (g on earth =10 m/s2 )

(2)

2011

23

The volume of a 25 g of a substance is 50 cm3. If the density of water is 1 g/cm3 , will the substance float or sink?

2

24

A block of wood is kept on the table top. The mass of wooden block is 5 kg and its dimension are 40 cm×20 cm ×10 cm Find the pressure exerted by the wooden block on the table if it made it lie on the table top with its sides of dimension (i) 20 cm x 10cm.

2

25

Which will exert more pressure 100 kg mass on 10 m2 or 50 kg mass on 4 m2? Give reason.

2

26

A cubical block of side 2 cm is lying on a table. If the density of the material of 10,000 kg/m3. Find the pressure exerted by the block on the table.

2

27

A stone is thrown vertically upwards with a velocity of 40 m/s and is caught at the point of projection. Taking g = 10 m/s2, calculate the maximum height reached by the stone.

(3)

2011

28

The mass of the sun is 2 x 1030 kg and that of earth is 6 x 1024 kg. Calculate the force exerted by the sun on the earth and also by the earth on the sun. The orbital radius of the earth = 1.5 x 1011 m.

(3)

2011

29

A stone is released from the top of a tower of height 50 m. Calculate its final velocity just before touching the ground.

3

30

A solid cube of dimension 50 cm x 50 cm x 50 cm and having a weight of 25 N is placed on a table. Calculate the pressure exerted on the table.

3

## More Study Material

### CBSE Class 9 Science Chapter 10 Gravitation Worksheet

We hope students liked the above worksheet for Chapter 10 Gravitation designed as per the latest syllabus for Class 9 Science released by CBSE. Students of Class 9 should download in Pdf format and practice the questions and solutions given in the above worksheet for Class 9 Science on a daily basis. All the latest worksheets with answers have been developed for Science by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their class tests and examinations. Studiestoday is the best portal for Class 9 students to get all the latest study material free of cost.

### Worksheet for Science CBSE Class 9 Chapter 10 Gravitation

Expert teachers of studiestoday have referred to the NCERT book for Class 9 Science to develop the Science Class 9 worksheet. If you download the practice worksheet for one chapter daily, you will get higher and better marks in Class 9 exams this year as you will have stronger concepts. Daily questions practice of Science worksheet and its study material will help students to have a stronger understanding of all concepts and also make them experts on all scoring topics. You can easily download and save all revision worksheet for Class 9 Science also from www.studiestoday.com without paying anything in Pdf format. After solving the questions given in the worksheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 9 Science designed by our teachers

#### Chapter 10 Gravitation worksheet Science CBSE Class 9

All worksheets given above for Class 9 Science have been made as per the latest syllabus and books issued for the current academic year. The students of Class 9 can be rest assured that the answers have been also provided by our teachers for all worksheet of Science so that you are able to solve the questions and then compare your answers with the solutions provided by us. We have also provided a lot of MCQ questions for Class 9 Science in the worksheet so that you can solve questions relating to all topics given in each chapter. All study material for Class 9 Science students have been given on studiestoday.

#### Chapter 10 Gravitation CBSE Class 9 Science Worksheet

Regular worksheet practice helps to gain more practice in solving questions to obtain a more comprehensive understanding of Chapter 10 Gravitation concepts. Worksheets play an important role in developing an understanding of Chapter 10 Gravitation in CBSE Class 9. Students can download and save or print all the worksheets, printable assignments, and practice sheets of the above chapter in Class 9 Science in Pdf format from studiestoday. You can print or read them online on your computer or mobile or any other device. After solving these you should also refer to Class 9 Science MCQ Test for the same chapter.

#### Worksheet for CBSE Science Class 9 Chapter 10 Gravitation

CBSE Class 9 Science best textbooks have been used for writing the problems given in the above worksheet. If you have tests coming up then you should revise all concepts relating to Chapter 10 Gravitation and then take out a print of the above worksheet and attempt all problems. We have also provided a lot of other Worksheets for Class 9 Science which you can use to further make yourself better in Science

Where can I download latest CBSE Printable worksheets for Class 9 Science Chapter 10 Gravitation

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