MEDIUM
9th CBSE
IMPORTANT
Earn 100

Is the acceleration due to gravity of earth ‘g’ a constant? Discuss.

Important Questions on Gravitation

MEDIUM
9th CBSE
IMPORTANT
A small stone and a ball of cotton of the same size are dropped from a certain height from the earth’s surface. Why do these not fall at the same time?
MEDIUM
9th CBSE
IMPORTANT
What is the acceleration of a free falling body?
EASY
9th CBSE
IMPORTANT
What is the acceleration of a body thrown vertically upwards?
EASY
9th CBSE
IMPORTANT
On what factors does the weight of a body depend?
MEDIUM
9th CBSE
IMPORTANT
An overweight person was advised by a doctor to reduce his weight. Should he plan to go and live on the moon? Explain your answer.
MEDIUM
9th CBSE
IMPORTANT
An object has a weight of 10 N on the surface of the earth. What will be its weight when it is taken to the centre of the earth?
MEDIUM
9th CBSE
IMPORTANT
An object has a weight of 10 N on the surface of the earth. What will be its weight when it is taken to the surface of the moon?
EASY
9th CBSE
IMPORTANT

A body has a mass m kg on the earth.

What will be its weight on the earth? (Take g = 9.8 m s-2)