Home › AP Physics C: Mechanics › Physics › Dynamics: Force and Newton's Laws of Motion › A rocket moves forward because expelled gas exer…
A rocket moves forward because expelled gas exerts a forward reaction force called:
AWeight
BThrust
CLift
DDrag
Answer & Solution
Correct answer: B. Thrust
1. The rocket pushes gas backward.
2. The gas pushes the rocket forward with thrust.
3. Rockets work better in a vacuum.
_Source: OpenStax College Physics for AP Courses 2e, Chapter 4, Dynamics: Force and Newton's Laws of Motion (CC BY 4.0)._
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