DP Physics (first assessment 2025)
Question 19M.2.HL.TZ2.ai
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.HL.TZ2.ai |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Define | Question number | ai | Adapted from | N/A |
ai.
[Maximum mark: 1]
19M.2.HL.TZ2.ai
Define an inertial reference frame.
[1]
Markscheme
a coordinate system which is not accelerating/has constant velocity/Newtons 1st law applies ✔
OWTTE
Both “inertial” and “reference frame” need to be defined
Examiners report
In defining an inertial frame of reference far too many candidates started with the words ‘ a frame of reference that...... ’ instead of ‘a coordinate system that.....’
