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WorksheetsQuiz on Gravitation for Class 9
Total questions: 25
Worksheet time: 13mins
The gravitational force between two objects is inversely proportional to:
The distance between them
The square of the distance between them
The cube of the distance between them
The mass of the objects
The force of gravitation between two bodies depends on:
Their masses
The distance between them
Both (a) and (b)
None of the above
Gravitational force acts:
Only between heavy objects
Only on planets
Between any two bodies with mass
Between charged particles
The value of acceleration due to gravity (g) on the surface of Earth is approximately:
6.67 m/s²
8.9 m/s²
9.8 m/s²
10.5 m/s²
What is the SI unit of gravitational constant (G)?
N m²/kg²
N/kg²
N m²/kg
kg m²/N²
The mass of an object on the moon compared to its mass on Earth will be:
Same
Six +mes less
Six +mes more
Twice as much
The weight of an object on the moon is about:
Twice its weight on Earth
Same as its weight on Earth
One-sixth of its weight on Earth
One-third of its weight on Earth
What is the force of gravitation between two 1 kg masses kept 1 meter apart? (G = 6.67 × 10⁻¹¹ N m²/kg²):
6.67 × 10⁻¹¹ N
6.67 × 10⁻⁸ N
6.67 × 10⁻⁷ N
6.67 × 10⁻⁹ N
Which of the following planets has the largest gravitational pull?
Mars
Earth
Jupiter
Venus
The formula for gravitational force is:
F = Gm₁m₂/r
F = Gm₁m₂/r²
F = Gm₁r²/m₂
F = Gm₁/m₂
The weight of an object is:
The same everywhere
The force with which Earth airacts it
The force with which it airacts Earth
Constant
If the distance between two objects is doubled, the gravitational force between them will:
Increase four times
Decrease by four times
Remain the same
Decrease by half
Acceleration due to gravity on the moon is:
1.67 m/s²
9.8 m/s²
3.7 m/s²
24.79 m/s²
Weight is measured in:
Newtons
Kilograms
Joules
Meters
Which scientist gave the law of universal gravitation?
Albert Einstein
Isaac Newton
Galileo Galilei
Niels Bohr
Gravitational force is a:
Contact force
Non-contact force
Magnetic force
Frictional force
The gravitational force between two masses is directly proportional to:
The square of the distance between them
The product of their masses
The sum of their masses
None of the above
If Earth's radius decreases by half, the acceleration due to gravity on its surface will:
Remain the same
Become half
Increase four +mes
Decrease four +mes
The force of gravitation between two bodies does not depend on:
The masses of the bodies
The distance between the bodies
The nature of the bodies
None of the above
Which object has the maximum gravitational pull?
Earth
Moon
Sun
Jupiter
An object is dropped from a height. Its velocity aoer 5 seconds will be:
9.8 m/s
24.5 m/s
49 m/s
19.6 m/s
Which statement is true about weight?
It remains constant
It changes with location
It is a scalar quantity
It is equal to mass
If the mass of an object is doubled, its weight will:
Become half
Become double
Remain the same
Become four +mes
Escape velocity is the minimum velocity needed to:
Escape the atmosphere
Orbit the Earth
Escape a planet's gravitational pull
None of the above
The universal gravitational constant (G) was first measured by:
Albert Einstein
Galileo
Isaac Newton
Henry Cavendish
