Advertisements
Advertisements
प्रश्न
Law of gravitation gives the gravitational force between
विकल्प
the earth and a point mass only
the earth and Sun only
any two bodies having some mass
two charged bodies only
Advertisements
उत्तर
any two bodies having some mass
Explanation:
The Law of gravitation gives the gravitational force between any two bodies having some mass as it is a universal law.
APPEARS IN
संबंधित प्रश्न
The earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? Why?
State two applications of universal law of gravitation.
A body is suspended from a spring balance kept in a satellite. The reading of the balance is W1 when the satellite goes in an orbit of radius R and is W2 when it goes in an orbit of radius 2 −R.
Three uniform spheres each having a mass M and radius a are kept in such a way that each touches the other two. Find the magnitude of the gravitational force on any of the spheres due to the other two.
A uniform metal sphere of radius a and mass M is surrounded by a thin uniform spherical shell of equal mass and radius 4a (In the following figure). The centre of the shell falls on the surface of the inner sphere. Find the gravitational field at the points P1 and P2 shown in the figure.

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.

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.
For the weight of body of mass 5 kg to be zero on equator of the earth, angular velocity of the earth must be (The radius of earth = 6400 km, acceleration due to gravity = 10 m/s2).
Choose the wrong option.
Six point masses of mass m each are at the vertices of a regular hexagon of side l. Calculate the force on any of the masses.
