CBSE Class 9 Physics Gravitation Worksheet Set C

Read and download free pdf of CBSE Class 9 Physics Gravitation Worksheet Set C. Students and teachers of Class 9 Physics can get free printable Worksheets for Class 9 Physics in PDF format prepared as per the latest syllabus and examination pattern in your schools. Standard 9 students should practice questions and answers given here for Physics in Grade 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 Physics Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems provided here with solutions on daily basis to get more score in school exams and tests

Gravitation Class 9 Physics Worksheet Pdf

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

Class 9 Physics Worksheet for Gravitation


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Q1 Which force keep the moon going around the Earth. Who provides this force? What would have happened in the absence of such a force?

Q2 A falling apple attracted towards the earth. Then why don’t we see the earth moving towards the apple?

Q3 Why is the Law of Gravitation called Universal law of gravitation?

Q4 Object towards the earth is accelerated or not. Explain?

Q5 Weight of an object at a given place can be the measure of its mass. Comment.

Q6 Moon exerts lesser force of attraction on an object as compared to that of earth. Comment.

Q7 Give reasons:

(a) A camel can run in a desert easily as compared to horse.

(b) A army tank weighing more than a thousand tonne rests upon a continuous chain.

(c) A truck or a motorbus has much wider tyres.

(d) Cutting tools have sharper edges.

(e) Buildings have broad foundations

(f) Dams have broader walls at the bottom.

(g) A cork floats while a nail sinks in water

(h) A body loses its weight when dipped in water

Q8. Name the factor on which the density of the fluid depends.

Q9 the gravitational force between sun and Jupiter is approximately 4x10 23N. if the mass of the sun= 1.99x1030 kg, the mean distance of the Jupiter from the sun is 7.8x1011 m find the mass of Jupiter.

Q10 A particle is thrown up vertically with a velocity of 50m/s.What will be the velocity at the highest point of its journey? How high the particle would rise? What time would it take to reach the highest point?

Q11 A bal l is dropped from the top of a tower 40m high. What is its velocity when it has covered 20m? What would be its velocity when it hits the ground?


More Question..

Q1. State the universal law of gravitation.

Ans. Every object in the universe attracts every other object with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them. The force is along the line joining the centres of two objects


Q2. Write the formula to find the magnitude of the gravitational force between the earth and an object on the surface of the earth.

Ans. The gravitational force between the earth and an object on its surface

Me = Mass of the earth

 Q3. What do you mean by free fall?

Ans. Whenever an object falls toward earth under the force of gravity one and no other force is present, the motion of object is said to be “free fall”.

Q4. What do you mean by acceleration due to gravity?

Ans. The acceleration of free fall is the acceleration due to gravity. We can also say the acceleration of an object due to gravitational force of earth acting on it is known as acceleration due to gravity.

 Q5. Why is the weight of an object on the moon 1/6th its weight on the earth?

Ans. The weight of an object depends on ‘g’ acceleration due to gravity, and the value of ‘g’ on earth: and moon is not same.


The mass and radius of the earth is more than the mass and radius of the moon.

As W=GMn/R2 the weight of a body on the earth is 6 times more than the weight of a same body on moon.

 Q6. Gravitational force acts on all objects in proportion to their masses. Why then, a heavy object does not fall faster than a light object?

Ans. The heavy object when falls, the acceleration due to gravity ‘g’ is acting which is independent of the mass of the body.


Gravitation force is 


∴ F and g are different.

 Q7. What is the magnitude of the gravitational force between the earth and a 1 kg object on its surface? [Mass of the earth is 6 x 1024 kg and radius of the earth is 6.4 x 106 m].

Ans. The magnitude of the gravitational force between earth and an object is given by the formula.



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