EASY
9th CBSE
IMPORTANT
Earn 100

What is the significance of each symbol in the equation? h = ut + 1/2 gt2.

Important Questions on Gravitation

EASY
9th CBSE
IMPORTANT

What is meant by free fall of a body?

MEDIUM
9th CBSE
IMPORTANT
What is the mass (in kg) of an object whose weight is 49 newton's? (Given: acceleration due to gravity is 9.8 m s-2)
MEDIUM
9th CBSE
IMPORTANT
A body weighs 120 N on earth. Find its weight in newton on moon.
MEDIUM
9th CBSE
IMPORTANT
What is the importance of the universal law of gravitation?
MEDIUM
9th CBSE
IMPORTANT

The force of gravitation between two objects of masses 50 kg and 120 kg respectively kept at a distance of 10 m from one another is 4.02×10-n N. Find the value of n
(Gravitational constant, G = 6.7×10-11 Nm2/kg2)

HARD
9th CBSE
IMPORTANT
 What is the difference between universal constant of gravitation and acceleration due to gravity?
MEDIUM
9th CBSE
IMPORTANT
 Mention two points of difference between mass and weight.
MEDIUM
9th CBSE
IMPORTANT
 Under what condition two objects of different weights will fall together at the bottom?