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Old 08-24-2019, 09:22 PM   #63931 (permalink)
Pet_Sounds
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Originally Posted by Doug McClasky View Post
I mean that the air pressure is adding permanent change to velocity that if removed would stop changing velocity. Like what's the difference between a ball hanging in midair and a ball sitting on the ground with air pushing down on it when if that air were removed would change/add velocity?
The forces on the ball hanging in midair aren't balanced. That's why it is only instantaneously at rest.
I think I'm interpreting your question right?
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