Quiz Gravitation Class 9th

1 / 10

The weight of an object is given by:

W=mg

W=m/g

W=Gm

W=g/m

2 / 10

The formula for the gravitational force between two objects is:

F= G m1 m2 r2

F= G m1m2 r

F= G r2 m1m2

F= G m1m2 r

3 / 10

The SI unit of weight is:

Newton

Kilogram

Joule

Pascal

4 / 10

The weight of an object on the Moon is:

More than on Earth

Less than on Earth

Equal to that on Earth

Zero

5 / 10

If the distance between two objects is doubled, the gravitational force between them:

Becomes half

Becomes one-fourth

Becomes double

Becomes four times

6 / 10

The acceleration due to gravity on the Earth’s surface is approximately:

9.8 m/s2

6.67×10−11 m/s2

3.0×108 m/s

1.6 m/s2

7 / 10

The weight of an object is the force by which:

It attracts the Earth

It repels the Earth

The Earth attracts it

None of the above

8 / 10

The value of the universal gravitational constant (G) is:

6.67×10¯11 Nm²/kg²

9.8 m/s²

1.66×10−27 kg

3×108 m/s

9 / 10

The universal law of gravitation was given by:

A)
C)

Albert Einstein

Isaac Newton

Johannes Kepler

Galileo Galilei

10 / 10

The force of gravitation between two objects depends on:

Their masses and distance between them

Only their masses

Only the distance between them

Their volumes

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