Question

Only a genius can solve it
plsssssss help me...... with proper steps

Answer 1

Gravitational force exerted by one body (m1) on another (m2) , assuming m2<<m1 is

F= [G*m1*m2/r^2(1-->2)]*R(1-->2)

where

G is the gravitational constant
m1 mass of object 1
m2 mass of object 2
R(1-->2) is unit vector from 1 to 2
r^2 is the magnitude of distance between the 2 objects

now with respect to the problem given,

we already now that the gravitational force exerted by these two objects on each other is 3N as given in the problem

using this find the distance between the 2 objects

(a.) solution

F is directly proportional to m1*m2

so the force will increase proportionaly

(b.) solution

same logic as solution a

(c.) solution

F is inversely proportional to distance between objects

so the force will decrease by a factor of 4 ( cause r^2)