Gravitation Class 9 9th Grade Quiz

Gravitation Class 9

Assessment

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KARTIK KAUSHIK

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Physics, Chemistry, Science

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9th Grade

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1K plays

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Hard

Student preview

22 questions

Show answers

1.

Multiple Choice

30 sec

1 pt

The value of ‘g’

Increases as we go above the earth’s surface

Decreases as we go to the centre of the earth

Remains constant

Is more at equator and less at poles

2.

Multiple Choice

30 sec

1 pt

Two objects of different masses falling freely near the surface of moon would

have same velocities at any instant

have different accelerations

experience forces of same magnitude

undergo a change in their inertia

3.

Multiple Choice

30 sec

1 pt

Two particles are placed at some distance. If the mass of each of the two particles is tripped, keeping the distance between them unchanged, the value of gravitational force between them will be

1/9 times

9 times

6 times

1/6 times

4.

Multiple Choice

30 sec

1 pt

On the earth, a stone is thrown from a height in a direction parallel to the earth’s surface while another stone is simultaneously dropped from the same height. Which stone would reach the ground first and why?

free fall will reach first

body with horizontal motion reach first

both will reach at same time

never reach ground

5.

Multiple Choice

30 sec

1 pt

Identical packets are dropped from two aeroplanes, one above the equator and the other above the north pole, both at height h. Assuming all conditions are identical, will those packets take same time to reach the surface of earth.

at poles reaches early

at equator reaches early

reaches at equal rate at poles and equator

never reach earth