this post was submitted on 18 Sep 2025
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That is incorrect. Drag affects both equally. The difference is caused by buoyancy, less dense objects feel more buoyancy
If F is the same but m is different, what happens to a?
Buoyancy is functionally irrelevant here. Buoyancy in air effectively subtracts 1.3kg per cubic meter of each substance: The mass of the volume of air displaced by the object.
The part you are not understanding: Drag applies the same force to both objects. Gravity applies the same acceleration to each object.
Thanks that does make sense
Drag doesn't exist in a vacuum.