Question

14 Assertion: A Balloon is filled with air. It flies off when air is ejected out
Reason: Newtons first law states that a body at rest remains at rest and a body in motion remains in motion
if no external force is applied​

Answer 1

Answer:

Both A & R are correct but R is not the correct explanation of A

Detailed Solution:

1. When air ejects from the balloon it pushes the balloon upwards --> Action Reaction Pair --> Newton's 3rd Law

2. According to Newton's 1st Law, a body in rest of in uniform motion, will continue to be in its state of rest or uniform motion unless & until an external force is applied