MEDIUM
9th ICSE
IMPORTANT
Earn 100

Why apple falling from a tree comes down? Is not Earth pulled by the apple? 

Important Questions on Gravitation

MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 3
A bag of sand weight 200 N on poles. Is its weight changed or not at any point of the equator. Why?  
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 4
How acceleration due to gravity changes with mass of planet? Show graphically.
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 5
Explain why one can jump 6 times higher on the surface of Moon than that of Earth?
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 6
Why does tennis ball bounce higher on Mount Everest than on a ground of Mumbai?
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 7

State the source of centripetal force that a planet requires to revolving around the Sun. On what factors does the force depend? Suppose this force suddenly becomes zero, then in which direction will the planet begin to move, if no other celestial body affects it?   

MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 8
Why there is atmosphere on earth? If it so, then what will you comment on atmosphere of Jupiter?
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 9
There are two kinds of balance that is beam balance and a spring balance. If both balances give the same measure of a given body on the surface of the Earth, will they give same measure on the surface of moon? Explain your answer.
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 4 - Gravitation>CHAPTER EXERCISE>Q 10
Derive an expression for force of attraction between two bodies.