Question

derivation of force​

Answer 1

Answer:

pull or push of an object is know as force

Explanation:

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Answer 2

Answer:

What are the exact definition and derivation of force?

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In simple term, Force is 'push' or 'pull' on an object. Its standard definition was still at large before Sir Issac Newton.

Newton published one thesis Philosophiæ Naturalis Principia Mathematica, in which he described three laws, which are called Newton's laws of motion.

I am not going to put all three one, but Newton's second law will serve purpose of above question.

Newton coined that the rate with which momentum of an object changes is directly proportional to the force acting on an object. If mass of object is considered as as constant than force is directly proportional to rate of change of velocity.

F=ma,

where

m= mass of object

a=acceleration

F= force applied

This holds true in each aspect and for all type of force, be like gravitational, friction, viscous etc. But, yes, fiction, viscous have their own properties too.

After relativity theory of Einstein, it was found that mass does not remain constant with time and changes drastically when object is travelling with speed compared to speed of light. So modification was done in Newtons law to serve relativity theory