| Date | May 2019 | Marks available | 1 | Reference code | 19M.1.HL:.tz0.31 |
| Level | Higher Level | Paper | Paper 1 | Time zone | time zone 0 |
| Command term | Question number | 31 | Adapted from | N/A |
Question
What is the relevant force acting on the athlete identified as X in the diagram?
A. Ground reaction force
B. Air resistance
C. Friction
D. Body weight
Markscheme
A
Examiners report
Mid-difficulty question with a strong discrimination index. Answer C was the main distractor.
Syllabus sections
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18N.2.HL:.tz0.4d:
The diagram shows a cyclist.
[Source: elmm/Vector Images/Shutterstock]
Label the three forces: A, B, and C.
A.
B.
C.
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18N.1.HL:.tz0.33:
Which force is identified by X in the free body diagram below?
[Source: ID 37607299 © Patrimonio Designs Limited | Dreamstime.com]
A. Air resistance
B. Gravity
C. Ground reaction force
D. Friction
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19N.1.HL:.tz0.33:
Which force is represented by the arrow in the free-body diagram?
[Source: © International Baccalaureate Organization 2019]
A. Body weight
B. Ground reaction
C. Air resistance
D. Friction
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19M.2.HL:.tz0.6b:
The diagram shows a hockey player dribbling.
Identify the forces A and B in the diagram.
- 21M.2.HL:.tz0.2a: The diagram shows the forces acting on a high jumper. State the forces labelled A, B,...
