HARD
9th CBSE
IMPORTANT
Earn 100

Give the characteristics of gravitational force.

Important Questions on Gravitation

MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 18
The earth attracts two objects A and B placed at same distance from its centre with same force. Prove that their masses are equal.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 19
Mass of a planet is twice that of the earth and its radius is four times of the earth. Find the value of 'g' on its surface.
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 20
Gravitational force is known to exist between all bodies in this universe. Due to existence of gravitational force between the earth and the moon, moon should experience a pull towards the earth and vice versa. Do you expect the orbit of the moon to change due to this force of attraction? Give reason in support of your answer.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 21
What will be the weight of the object on the earth when its weight on the moon is 1800 N?
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 21
What will be the weight of the object on the earth when its weight on the moon is 400 N?
MEDIUM
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 23
Draw a velocity time graph to represent the motion of a freely falling body towards the surface of earth.
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 24
State the value of universal gravitational constant. What was its value back in 1947?
EASY
9th CBSE
IMPORTANT
Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 25
State true/false. If false, correct the statement:
"Earth exerts greater force of attraction on apple than apple exerts on the earth."