Question

State Newton's First Law Of Motion ..............??

And The Law Of Inertia........??

What is the relation between Inertia & Mass..............??

Answer 1

every body will continue it's state of rest or uniform motion along a straight line until an unbalanced force acts on it

Answer 2

first newton laws of motion is that if the body is at rest it will remain at rest and if a body is in motion it will continue in motion untill will applied external force on it .For example a book lying in a table it will remain at rest untill will applied external force on it.