Question

Newton first law of motion is valid in the absence of

Answer 1

Newton's first law is entirely and 100% true in the presence of a net force. It could conceivably be wrong in the absence of a net force, but if there is a net force it simply can't be wrong, because it asserts nothing whatever about this case.

Answer 2

Answer: external force

Explanation:

Bcz according to Newton ist law..if body is at rest or in motion then in absence of external force it will continue in same state...