1.
The force of gravitation between two bodies doesn’t depend on
2.
Newton’s law of gravitation
3.
The acceleration due to gravity
4.
In vacuum all freely falling objects
5.
Two objects of different masses falling freely near the surface of the moon would
6.
A stone dropped from a building top takes 4 s to reach the ground. The height of the building is
7.
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
8.
When an object is thrown up, the force of gravity
9.
A boy is whirling a stone tied to a string in a horizontal circular path. If the sting breaks, the stone
10.
The weight of an object
11.
The SI unit of gravitational constant is
12.
The earth attracts a body of mass 2 kg kept on its surface with a force of
13.
The value of quantity G in the law of gravitation
14.
The acceleration due to gravity is ge on earth and gm on moon
15.
The value of universal gravitational constant is
16.
The force of attraction between two unit point masses separated by a unit distance is called
17.
The mass of a body is measured to be 12 kg on earth. If it is taken to moon the mass will be
18.
One kgf /m2 is related to pascal
19.
In vacuum, all freely falling objects
20.
A stone is dropped from a cliff. Its speed after it has fallen 400m is
21.
Two particles are placed at some distance. if the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be
22.
A ball is thrown up and attains a maximum height of 100m. Its initial speed was
23.
Pascal is the unit of
24.
The buoyant force on a body acts in a
25.
A body floats on a liquid if the buoyant force is
26.
A rectangular box is kept over a table with different faces touching the table. In different cases, the block exerts
27.
Loss of weight of a body immersed in a liquid is
28.
One atmospheric pressure is equal to
29.
Which of the following solids is the densest of all?
30.
Which of the following liquids is the densest of all?
31.
Which of the following gas is the densest of all?
32.
The value of acceleration due to gravity
33.
An object is put one by one in three liquids having different densities. The object floats with 1/9,2/11and 3/7 parts of their volumes outside the liquid surface in liquids of densities d1, d2 and d3 respectively. which of the following statement is correct?
34.
In the relation F=G Mm/d2, the quantity G
35.
Law of gravitation gives the gravitational force between
36.
The mass of the body on moon is 40 kg, what is the weight on the earth
37.
The atmosphere is held to the earth by
38.
The weight of an object at the centre of the earth of radius R is
39.
An object weighs 10 N in air. When immersed fully in water, it weighs only 8N. the weight of the liquid displaced by the object will be
40.
A girl stands on a box having 60 cm length,40 cm breadth and 20 cm width in three ways. In which of the following cases, pressure exerted by the box will be
41.
An apple falls from a tree because of gravitational attraction between the earth and the apple. If F1 is the magnitude of force exerted by the earth on the apple and F2 is the magnitude of force exerted by the apple on the earth, then
42.
The acceleration due to gravity on the earth depends upon the
43.
The SI unit of pressure is
44.
If the gravitational attraction of the earth suddenly disappears, which of the following statements will be true?
45.
When a mango falls from a mango tree then
46.
The value of the acceleration due to gravity on the surface of the earth?
47.
The value of acceleration due to gravity at the highest point of the motion of the body when a body is projected upwards
48.
A body of mass 1 kg is attracted by the earth with a force which is equal to
49.
The SI unit of relative density is
50.
Newton’s law of gravitation applies to
