force

A push or pull applied on an object which changes or tends to change the state of motion of an object is called force .

it is a vector quantity.

it’s SI unit is newton [N].

at least two object must interact for a force and come to play .

forces are of two types .Contact and Non-Contact.

force has magnitude as well as direction.

force=ma where 'm' represents the mass of the object and 'a' denotes the acceleration produced by that force.