EASY
9th Telangana Board
IMPORTANT
Earn 100

How do you explain that an object is in uniform circular motion?

Important Questions on Gravitation

MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 2
Calculate the acceleration of the moon towards the earth's centre.
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 3
Explain universal law of gravitation.
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 4
Explain some situations where the centre of gravity of man lies outside the body.
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 5
Where does the centre of gravity of the atmosphere of the earth lie?
EASY
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 6
Explain why a long pole is more beneficial to the tight rope walker if the pole has slight bending.
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 1
A car moves with constant speed of 10 m s-1 in a circular path of radius 10 m. The mass of the car is 1000 kg. How much is the required centripetal force for the car?
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 2
What is the speed of an apple dropped from a tree after 1.5 second? What distance will it cover during this time? Take g=10 m s-2.
MEDIUM
9th Telangana Board
IMPORTANT
Physical Science Class 9>Chapter 5 - Gravitation>Let us Improve our learning>Q 3
A ball is projected vertically up with a speed of 50 m s-1. Find the maximum height, the time to reach the maximum height and the speed at the maximum height. (g=10 m s-2)