EASY
9th CBSE
IMPORTANT
Earn 100

How does the weight of a body change, if it is initially weighed at Delhi, and then taken to the surface of the Moon?

Important Questions on Gravitation

MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 11

How does the weight of a body change, if it is initially weighed at Delhi, and then taken to the centre of the earth?

EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 12
Why does a man weigh on the surface of the moon one-sixth of what he weighs on the surface of the earth?  
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 13
The earth pulls a freely falling body with an acceleration of 9.8 m/s2. Then, why does the body not pull the earth towards itself with the same acceleration? Explain. 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 14
A bar of gold is found to have a mass of 100 g and weight of 0.981 N at some place, When this bar is taken to a place on the equator, it is found that the mass remains 100 g, but the weight is less than 0.981 N. Explain the above observation.  
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 15
The earth is acted upon by gravitation of sun, even though it does not fall into the sun, why? 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 16
Suppose gravity of earth suddenly becomes zero, then in which direction will the moon begin to move if no other celestial body affects it? 
EASY
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 1
What do you understand by the term acceleration due to gravity. 
MEDIUM
9th CBSE
IMPORTANT
Core Science Physics For Class 9>Chapter 3 - Gravitation>EXERCISE>Q 1
Derive an expression for the acceleration due to gravity on the surface of the earth, when m is the mass of the body, M the mass of the earth, R, the radius of the earth, G the gravitational constant, and g the acceleration due to gravity.