Question

What is newtons first law?

Answer 1

''If a body is given to be in movement, it will remain like it or if the body is stationary it will remain like it. All these conditions apply if an external applied force does not change''.
This is the law of inertia.

Answer 2

Force is needed to change any objects velocity

Answer 3

"An object in rest will remain in rest and an object in motion will remain in motion, unless and until an external force is applied to it."

This law is known as Newton's First Law or The Law of Inertia