Among gravitational, electrostatic and nuclear forces, the two attractive forces between two neutrons are

Of the three basic forces gravitational, electrostatic and nuclear which two are able to provide an attractive force between two neutrons ?

The gravitational force between two bodies is

Gravitational force between two bodies exist

Attractive nuclear forces exist between -

Define Newton's universal law of gravitation and establish mathematical formula for force of attraction between two objects.

What is the ratio of electrostatic force and gravitational force between two electrons?

Ratio of gravitational force and electrostatic force between two electrons

The gravitational force between two bodies is :