Which of the following makes use of Newton's Third Law of Motion?
- AArchery
- BSpace rocket
- CVenturimeter
- DMore than one of the above
- ENone of the above
Show answer and explanation
Correct answer: (d) More than one of the above
Explanation
Newton's third law: to every action there is an equal and opposite reaction.
A rocket pushes hot gases backwards and is pushed forwards, and in archery the bowstring and the arrow push on each other. A venturimeter, which measures the speed of a flowing liquid, works on Bernoulli's principle instead. So two options apply: "More than one of the above".