Question

why is Newton's first law of motion sometimes called law of inertia ? please answer these right​

Answer 1

Law of Inertia it's also called Newton's first law of motion simply stated it means an object in motion tends to stay in motion or an object at rest tends to stay at rest unless the object is acted upon by an unbalanced force. ... The force down on the tennis ball is equaled by the force in my hand pushing up on that ball.

Answer 2

Answer:

Here is the answer and youtube channel which will help you to understand better