Weight is a vector quantity and mass is a scalar quantity.

77.67% studentsanswered this correctly

Important Questions on Gravitation

HARD

9th CBSE

IMPORTANT

Together with Science Class 9>Chapter 10 - Gravitation>ASSESS YOURSELF>Q 17

Give the characteristics of gravitational force.

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