DP Physics (first assessment 2025)
Question 21M.2.SL.TZ2.1c
| Date | May 2021 | Marks available | [Maximum mark: 2] | Reference code | 21M.2.SL.TZ2.1c |
| Level | SL | Paper | 2 | Time zone | TZ2 |
| Command term | Outline | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
21M.2.SL.TZ2.1c
(c)
In practice, air resistance affects the ball. Outline the effect that air resistance has on the vertical acceleration of the ball. Take the direction of the acceleration due to gravity to be positive.
[2]
Markscheme
air resistance opposes «direction of» motion
OR
air resistance opposes velocity ✓
on the way up «vertical» acceleration is increased OR greater than g ✓
on the way down «vertical» acceleration is decreased OR smaller than g ✓
Allow deceleration/acceleration but meaning must be clear
