Class 10 | Gravitation

Flash Card

The force of attraction between two-unit point masses separated by a unit distance equals

1/42

Where will it be profitable to purchase 1 kilogram sugar?

2/42

The square of orbital period of revolution of a planet is directly proportional to the_____of the mean distance of the planet from the sun.

3/42

The earth revolves around the Sun in one year.If the distance between them becomes double,the new period of revolution will be

4/42

on the value of acceleration due to gravity is ⅙ times that on the surface of the earth.

5/42

If the gravitational attraction of the earth suddenly disappears, then

6/42

When distance between two objects is decreased by d times, the gravitational force between them increases 4 times. The value of d is ________.

7/42

Medium in which true free fall is possible is ______.

8/42

Which of the following is the S.I. unit of universal gravitational constant?

9/42

Acceleration of an object throw upwards is always taken _______as it moves against the force of gravity.

10/42

Uniform circular motion is possible only ______.

11/42

The value of universal gravitational constant (G) in SI unit is _______.

12/42

If mass of one of two objects is doubled then the gravitational force acting between the two is _______

13/42

Which of the following statements about the gravitational constant is true?

14/42

Value of acceleration due to gravity (g)_________as we go deep insider the earth.

15/42

Escape velocity on a planet is ve. If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes

16/42

Which of the following is example of free fall?

17/42

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

18/42

Accordinfg to Kepler,the period of revolution of a planet(T) and its mean distance grom the sun(r) are related by the equation

19/42

According to Newton’s first law of motion, higher the mass _______is the inertia.

20/42

Law of gravitation gives the gravitational force between__________

21/42

In which of the following cases centripetal force is not experienced?

22/42

When an object is taken from earth to the moon,

23/42

Which of the following in NOT a characteristic of gravitational force?

24/42

Which is the gravitational potential energy of an object located 20,000m above the earth’s surface ?

25/42

The value of g on moon 1/6th of its value on the earth. If a person weighs 14 N on the moon’s surface, then the weight of the person on earth’s surface is

26/42

Which of the following law states areal velocity of the planet remains constant?

27/42

The minimum velocity of the spacecraft to escape from earth’s gravitational force must be ______.

28/42

If earth’s satellite is moved from one stable orbit to a father stable orbit, then which of the following quantities increase?

29/42

Escape velocity of a satellite depends on the

30/42

In SI units, the value of G is equal to the _______ between two masses of 1 kg kept 1 m apart.

31/42

The value of acceleration due to gravity

32/42

Force which is directed towards the center of the circle is ______.

33/42

The gravitational force between two bodies is directly proportional to the product of the masses of those bodies and is_________of the distance between them

34/42

When a feather and a heavy stone are dropped from a same height at the same time in vacuum

35/42

The direction of the acceleration due to gravity of any object is always_______.

36/42

Though the gravitational force is much weaker than other forces in nature but it controls the Universe because of the ______.

37/42

The tidal waves in the sea are primarily due to gravitational effect of

38/42

What would happen to the moon if the earth stops exerting force of attraction on it?

39/42

The orbit of a planet is an_______with the Sun at________

40/42

A ______ is necessary to change the speed as well as the direction of motion an object.

41/42

According to Newton's _______ law of motion, a force acting on a body results in its acceleration.

42/42
gravitation

Class 10 | Gravitation

1 / 42

Which of the following law states areal velocity of the planet remains constant?

2 / 42

If earth’s satellite is moved from one stable orbit to a father stable orbit, then which of the following quantities increase?

3 / 42

Which of the following is example of free fall?

4 / 42

on the value of acceleration due to gravity is ⅙ times that on the surface of the earth.

5 / 42

The direction of the acceleration due to gravity of any object is always_______.

6 / 42

Force which is directed towards the center of the circle is ______.

7 / 42

The value of g on moon 1/6th of its value on the earth. If a person weighs 14 N on the moon’s surface, then the weight of the person on earth’s surface is

8 / 42

Though the gravitational force is much weaker than other forces in nature but it controls the Universe because of the ______.

9 / 42

If mass of one of two objects is doubled then the gravitational force acting between the two is _______

10 / 42

According to Newton’s _______ law of motion, a force acting on a body results in its acceleration.

11 / 42

The force of attraction between two-unit point masses separated by a unit distance equals

12 / 42

Escape velocity on a planet is ve. If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes

13 / 42

Uniform circular motion is possible only ______.

14 / 42

In SI units, the value of G is equal to the _______ between two masses of 1 kg kept 1 m apart.

15 / 42

When an object is taken from earth to the moon,

16 / 42

Escape velocity of a satellite depends on the

17 / 42

A ______ is necessary to change the speed as well as the direction of motion an object.

18 / 42

Accordinfg to Kepler,the period of revolution of a planet(T) and its mean distance grom the sun(r) are related by the equation

19 / 42

Which is the gravitational potential energy of an object located 20,000m above the earth’s surface ?

20 / 42

If the gravitational attraction of the earth suddenly disappears, then

21 / 42

The earth revolves around the Sun in one year.If the distance between them becomes double,the new period of revolution will be

22 / 42

The value of acceleration due to gravity

23 / 42

The orbit of a planet is an_______with the Sun at________

24 / 42

Acceleration of an object throw upwards is always taken _______as it moves against the force of gravity.

25 / 42

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

26 / 42

Which of the following statements about the gravitational constant is true?

27 / 42

When a feather and a heavy stone are dropped from a same height at the same time in vacuum

28 / 42

The gravitational force between two bodies is directly proportional to the product of the masses of those bodies and is_________of the distance between them

29 / 42

The minimum velocity of the spacecraft to escape from earth’s gravitational force must be ______.

30 / 42

Which of the following in NOT a characteristic of gravitational force?

31 / 42

According to Newton’s first law of motion, higher the mass _______is the inertia.

32 / 42

The square of orbital period of revolution of a planet is directly proportional to the_____of the mean distance of the planet from the sun.

33 / 42

In which of the following cases centripetal force is not experienced?

34 / 42

When distance between two objects is decreased by d times, the gravitational force between them increases 4 times. The value of d is ________.

35 / 42

What would happen to the moon if the earth stops exerting force of attraction on it?

36 / 42

Value of acceleration due to gravity (g)_________as we go deep insider the earth.

37 / 42

Where will it be profitable to purchase 1 kilogram sugar?

38 / 42

The tidal waves in the sea are primarily due to gravitational effect of

39 / 42

The value of universal gravitational constant (G) in SI unit is _______.

40 / 42

Medium in which true free fall is possible is ______.

41 / 42

Which of the following is the S.I. unit of universal gravitational constant?

42 / 42

Law of gravitation gives the gravitational force between__________

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