Advertisements
Advertisements
प्रश्न
What is the difference between gravity and gravitation?
Advertisements
उत्तर
Gravity is the force of attraction between the object and the earth whereas gravitation refers to the force of attraction that exists between any two bodies that possess mass.
APPEARS IN
संबंधित प्रश्न
Which of the Kepler’s laws of planetary motion led Newton to establish the inverse-square rule for gravitational force between two bodies ?
A thin spherical shell having uniform density is cut in two parts by a plane and kept separated as shown in the following figure. The point A is the centre of the plane section of the first part and B is the centre of the plane section of the second part. Show that the gravitational field at A due to the first part is equal in magnitude to the gravitational field at B due to the second part.

State whether the gravitational force between two masses is attractive or repulsive ?
Write an expression for the gravitational force of attraction between two bodies of masses m1 and m2 separated by a distance r.
A ball is thrown vertically upwards. It goes to a height 20 m and then returns to the ground. Taking acceleration due to gravity g to be 10 ms-2 , find :
the final velocity of the ball on reaching the ground .
The force of attraction between any two material objects is called __________.
Name and state the action and reaction in the following case:
A book lying on a table.
As observed from earth, the sun appears to move in an approximate circular orbit. For the motion of another planet like mercury as observed from earth, this would ______.
Give scientific reasons for the following:
Newton's gravitational law is the universal law of gravitation.
If three equal masses m are placed at the three vertices of an equilateral triangle of side 1/m then what force acts on a particle of mass 2m placed at the centroid?
