Question

The gravitational pull between two objects depend on their mass and distance. What is meant by distance

Answer 1

Answer:

The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them. This means that the force of gravity increases with mass, but decreases with increasing distance between objects. ... However, the exponent on the mass terms is one.

Answer 2

The distance is between the two centre of masses.

Explanation:

• A gravitational pull is the force that the ground exerts on any body to attract it towards the centre of earth.
• This attraction force is called gravity of gravitational force.
• Newton gave a relation between this gravitational force and mass of the body in order to determine the strength of force with which objects are pulled by the earth's surface.
• Even between two objects, there is a gravitational pull. This force is given as:
• Gravitational force is inversely proportional to the square of distance between two bodies and directly proportional to the multiplication of masses of both bodies.

• When $m_{1}$ and $m_{2}$ are the mass of two bodies and $r$ is the distance between them.

$F$ ∝ $m_{1} m_{2}$

$F$ ∝ $\frac{1}{r^{2} }$

$F=G\frac{m_{1} m_{2} }{r^{2} }$

$G$ is the gravitational constant.

Here, distance between two bodies mean, the distances between the centre of masses of both the bodies.

Centre of mass is the point in the body where the total mass of th ebody is assumed to be concentrated.