Question

Give qualitative definition of force on the basis of Newton 's first law of motion

Answer 1

A force is a pull or push on an object .
It means if you applied some force on an object you will make the object move or stop .
Anything can never be move or stop if a force is not applied on it.

Answer 2

first law give qualative definition because force is needed to pull push of an object and bring object in to motion. it states that the state of motion of an object will not change unless an external force applied on it