EASY
9th CBSE
IMPORTANT
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Weight is a vector quantity and mass is a scalar quantity.

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Important Questions on Gravitation

HARD
9th CBSE
IMPORTANT
Give the characteristics of gravitational force.
MEDIUM
9th CBSE
IMPORTANT
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
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
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
What will be the weight of the object on the earth when its weight on the moon is 1800 N?
EASY
9th CBSE
IMPORTANT
What will be the weight of the object on the earth when its weight on the moon is 400 N?
MEDIUM
9th CBSE
IMPORTANT
Draw a velocity time graph to represent the motion of a freely falling body towards the surface of earth.
EASY
9th CBSE
IMPORTANT
State the value of universal gravitational constant. What was its value back in 1947?