Physics Force & Motion UHS 2022
PMDC Verified Question 59 of 137
When a heavy coin falls a short distance towards the ground it does not reach terminal velocity. Why is this so?
A
The coin has not hit the ground
B
The weight of coin is equal to air resistance
C
The weight of coin increases as air resistance increases
D
The weight of coin is more than air resistance
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: The weight of coin is more than air resistance
Concept:

Forces during fall.

Solution:

  • Weight is strictly greater than the drag force for the duration of the short fall.


Why other options are incorrect:

If equal, it would be at terminal.

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