The force of attraction between two unit point masses separated by a unit distance is called

(d) universal gravitational constant

(b) acceleration due to gravity

The weight of an object at the centre of the Earth of radius R is

R times the weight at the surface of the Earth

1/R 2 times the weight at surface of the Earth

An apple falls from a tree because of gravitational attractionbetween the Earth and the apple. If F 1 is the magnitude of force exerted by the Earth on the apple and F 2 is the magnitude of force exerted by the apple on the Earth, then

(a) F 1 is very much greater than F 2

(b) F 2 is very much greater than F 1

(c) F 1 is only a little greater than F 2

When a mango falls from a mango tree then

(c) both the mango and the Earth attract each other.

(a) only the Earth attracts the mango.

(b) only the mango attracts the Earth.

(d) both the mango and the Earth repel each other.

If the gravitational attraction of the Earth suddenly disappears, which of the following statements will be true?

(a) The weight of body will become zero but the mass will remain same.

(b) The weight of a body will remain same but the mass will become zero.

(c) Both mass and weight become zero.

(d) Neither mass nor weight becomes zero.

The mass of moon is about 0.012 times that of the earth and its diameter is about 0.25 times that of earth. The value of G on the moon will be:

About one-fifth of that on the earth

About one-sixth of that on the earth

About one-fourth of that on the earth

GRAVITATION

Quiz

•

Physics

•

9th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-PS2-4, HS-PS2-1, HS-PS2-2

+1

Standards-aligned

AMRITA CHATTERJEE

Used 34+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

(a) have same velocities at any instant

(b) have different acceleration

(c) experience forces of same magnitude

(d) undergo a change in their inertia

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

The value of acceleration due to gravity

(a) is same on equator and poles

(b) is least on poles

(c) is least on equator

(d) decreases from pole to equator

Tags

NGSS.HS-PS2-4

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become

F/8

F/4

F/2

4F

Tags

NGSS.HS-PS2-4

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone

(a) will continue to move in the circular path

(b) will move along a straight line towards the center of the circular path

(c) will move along a straight line tangential to the circular path

(d) will move along a straight line perpendicular to the circular path away from the boy

Tags

NGSS.HS-PS2-2

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In the relation F = GM m/d², the quantity G

depends on the value of G at the place of observation

is used only when the Earth is one of the two masses

is greatest at the surface of the Earth

is universal constant of nature

Tags

NGSS.HS-PS2-4

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Law of gravitation gives the gravitational force between

(a) the Earth and a point mass only

(b) the Earth and Sun only

(c) any two bodies having some mass

(d) two charged bodies only

Tags

NGSS.HS-PS2-4

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The value of quantity G in the law of gravitation

(a) depends on mass of Earth only

(b) depends on radius of Earth only

(c) depends on both mass and radius of Earth

(d) is independent of mass and radius of the Earth

Tags

NGSS.HS-PS2-4

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GRAVITATION

20 questions

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

The value of acceleration due to gravity

The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become

A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone

In the relation F = GM m/d², the quantity G

Law of gravitation gives the gravitational force between

The value of quantity G in the law of gravitation

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

The atmosphere is held to the Earth by

The force of attraction between two unit point masses separated by a unit distance is called

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

GRAVITATION

20 questions

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

The value of acceleration due to gravity

The gravitational force between two objects is F. If masses of both objects are halved without changing the distance between them, then the gravitational force would become

A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone

In the relation F = GM m/d2, the quantity G

Law of gravitation gives the gravitational force between

The value of quantity G in the law of gravitation

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

The atmosphere is held to the Earth by

The force of attraction between two unit point masses separated by a unit distance is called

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

In the relation F = GM m/d², the quantity G