| Date | May 2012 | Marks available | 1 | Reference code | 12M.1.SL.TZ2.5 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 5 | Adapted from | N/A |
Question
The momentum of a particle stays constant provided that
A. it moves in a circle with constant speed.
B. its acceleration is uniform.
C. the net internal force acting on it is zero.
D. the net external force acting on it is zero.
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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