Multiple choice

A jet engine works on the principle of

  1. conservation of mass

  2. conservation of energy

  3. conservation of linear momentum

  4. conservation of angular momentum

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A jet engine operates by expelling high-speed exhaust gases backward, which creates an equal and opposite forward thrust according to Newton's third law, a direct application of the conservation of linear momentum.