Numerical problem on gravitation

GRAVITATION ; NUMERICAL -1:

Question:

When the mass of each body is doubled and their separation is cut in half, what is the new force of attraction between the two bodies?

Solution:

GRAVITATION ; NUMERICAL -2:

Question:

When the mass of each body is doubled and their separation is not changed, what is the new force of attraction between the two bodies?

Solution:

GRAVITATION ; NUMERICAL -3:

Question:

When the mass of each body is not changed and their separation is increased by 4 times. What is the new force of attraction between the two bodies?

Solution:

GAVITATION ; NUMERICAL – 4:

Question:

Each of the four-point masses of mass ‘m’ is positioned atfour corners of a square with side ‘a.’ Calculate the gravitational force acting on any one of the mass due to the remaining.

Solution:

GRAVITATION ; NUMERICAL – 5:

Question:

Two identical solid spheres with the same radius ‘R’ are in contact with one another. Find out the gravitational attraction between them if the density is rho.(p)

Solution:

GRAVITATION;NUMERICAL-6

Question:

A distance ‘d’ separates two point masses ‘m₁‘ and ‘m²‘.How far away from mass ‘m¹‘ is it before a mass of 1 Kg experiences no net gravitation?

Solution: