| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ1.22 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 22 | Adapted from | N/A |
Question
An object of mass m at the end of a string of length r moves in a vertical circle at a constant angular speed ω.
What is the tension in the string when the object is at the bottom of the circle?
A. m(ω2r + g)
B. m(ω2r – g)
C. mg(ω2r + 1)
D. mg(ω2r – 1)
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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