Exam-style question
Try this first
What happens to the momentum of a system when two objects collide and stick together?.
- A.Momentum is lost.
- B.Momentum is gained.
- C.Momentum is conserved.
- D.Momentum is doubled.
Model answer
What a good answer should say
- Momentum is conserved..
- the correct option
Explanation
Why this works
The correct answer is Momentum is conserved.. This supports Apply conservation of momentum to collisions and explosions.
in Momentum because it uses the required mechanics relationship directly. The other options are less suitable because they confuse a different force, motion, energy, momentum, or materials concept.
Common mistake
No common mistake is linked to this question yet.