Question

Define Newton's first law of motion

Answer 1

According to Newton's first law of motion " a body continue in the state of rest or on uniform motion along a straight  line unless it is compelled by an external force"  Newtons first law is also known as law of inertia 

Answer 2

Newton's first law of Motion states that a body at rest stays at rest and body in motion remains in motion with the same speed and direction until they are acted upon by an unbalanced force.