Gravitational Force : The force, which exist between any two planets, or any two objects in this universe, is called gravitational force.
- This force always attracts the object towards each other.
- All object on the surface of earth experience of force of gravity towards the centre of earth, which is equivalent to the weight of the object. Numerically it is given by ;
F = m × g
Here, m is the the mass of the object and g is the acceleration due to the gravity.
- The numerical value of g is 9.8 m/sec2.
Force (F) = G×M1×M2/R2