MEDIUM
9th CBSE
IMPORTANT
Earn 100

How can you account for the fact that a stone and a feather fall at the same rate in vacuum but at different rates in air? 

Important Questions on Gravitation

MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 2
The equation of motion for free fall can be used in case of any free fall.
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 3
The average value of g on the surface of the Earth is _____ m s-2. Give answer till one place of decimal.
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 5
What is a freely falling body? Write equations of motion for a freely falling body.
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 6
A ball is thrown up with a speed of 9.8 m/s. What is the speed of the ball at its highest point?
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 6
A ball is thrown up with a speed of 9.8 m/s. What is the acceleration while the ball is moving upwards?
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 6
A ball is thrown up with a speed of 9.8 m/s. What is the acceleration while the ball is moving downwards?
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 6
A ball is thrown up with a speed of 9.8 m/s. What is the acceleration due to gravity at the top most point?
MEDIUM
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 3 - Gravitation>Formative Assessment>Q 6
A ball is thrown up with a speed of 9.8 m s-1. What is the speed with which the ball reaches back the same point?