NCERT Class 9 Science Gravitation Questions

Read and download NCERT Class 9 Science Gravitation Questions in NCERT book for Class 9 Science. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Science textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Science to understand the answers of the exercise questions given at the end of this chapter

NCERT Book for Class 9 Science Chapter 10 Gravitation

Class 9 Science students should refer to the following NCERT Book Chapter 10 Gravitation in Class 9. This NCERT Book for Class 9 Science will be very useful for exams and help you to score good marks

Chapter 10 Gravitation NCERT Book Class 9

GRAVITATION

1. Two objects of different masses falling freely near the surface of moon would

(a) have same velocities at any instant

(b) have different accelerations

(c) experience forces of same magnitude

(d) undergo a change in their inertia

2. The value of acceleration due to gravity

(a) is same on equator and poles

(b) is least on poles

(c) is least on equator

(d) increases from pole to equator

3. The gravitational force between two objects is F. If masses of both objects are halved without changing distance between them, then the gravitational force would become

(a) F/4    (b) F/2    (c) F     (d) 2 F

4. A boy is whirling a stone tied with a string in an horizontal circular path. If the string breaks, the stone

(a) will continue to move in the circular path

(b) will move along a straight line towards the centre of the circular path

(c) will move along a straight line tangential to the circular path

(d) will move along a straight line perpendicular to the circular path away from the boy

5. Law of gravitation gives the gravitational force between

(a) the earth and a point mass only

(b) the earth and Sun only

(c) any two bodies having some mass

(d) two charged bodies only

6. What is the source of centripetal force that a planet requires to revolve around the Sun? On what factors does that force depend?

7. On the earth, a stone is thrown from a height in a direction parallel to the earth’s surface while another stone is simultaneously dropped from the same height. Which stone would reach the ground first and why?

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

9. Identical packets are dropped from two aeroplanes, 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.

10. The weight of any person on the moon is about 1/6 times that on the mass, which can be lifted by the same force applied by the person on themoon?

11. Calculate the average density of the earth in terms of g, G and R.

12. The earth is acted upon by gravitation of Sun, even though it does not fallinto the Sun. Why?


Please refer to attached file for NCERT Class 9 Science Gravitation Questions

NCERT Book Class 9 Science Chapter 10 Gravitation

The above NCERT Books for Class 9 Science Chapter 10 Gravitation have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 10 Gravitation Science Class 9 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 10 Gravitation NCERT etextbooks as the exams for Class 9 Science are always asked as per the syllabus defined in these ebooks. These Class 9 Chapter 10 Gravitation book for Science also includes collection of question. Along with Science Class 9 NCERT Book in Pdf for Chapter 10 Gravitation we have provided all NCERT Books in English Medium for Class 9 which will be really helpful for students who have opted for english language as a medium. Class 9 students will need their books in English so we have provided them here for all subjects in Class 9.

Where can I download latest NCERT Book for Class 9 Science Chapter 10 Gravitation

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Can I download the NCERT Books of Class 9 Science Chapter 10 Gravitation in Pdf

Yes, you can click on the link above and download chapter wise NCERT Books in PDFs for Class 9 for Science Chapter 10 Gravitation

Are the Class 9 Science Chapter 10 Gravitation NCERT Book available for the latest session

Yes, the NCERT Book issued for Class 9 Science Chapter 10 Gravitation have been made available here for latest academic session

How can I download the Class 9 Science Chapter 10 Gravitation NCERT Book

You can easily access the link above and download the Class 9 NCERT Books Science Chapter 10 Gravitation for each chapter