Question

What is a force? Give classifications of system of forces.

Answer 1

Force is defined as change of motion when in interaction. It is basically a push or pull. It is a vector quantity, I.e. it has both magnitude and direction. SI unit of force is newton

$force = mass \times accerlation \\ \\ f = ma$

Types of forces:
1)Balanced Force

2)Unbalanced force

Answer 2

Hey Mate !!

Forces is push or pull which changes or tries or change the direction of motion of a body, produces a change in the shape of a body, stops or tries to stop a moving body is called Force.

•Classification of Forces on the Basis of Contact.