Why do you get pushed back into the seat when a car accelerates but not when when walking in a flying airplane?

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The airplane is going much faster than the car. I’m a bit confused. I’m guessing it has something to do with acceleration vs constant speed but not entirely sure how that works.

Any explanation is appreciated!

In: Physics

6 Answers

Anonymous 0 Comments

Speed is not what pushes you back. It’s acceleration, like you said. As long as there is acceleration (there is a change in speed occurring) then you will feel that as a force pushing you around. A plane at cruise speed is not changing speeds, and so there is no acceleration. You might be at 500 mph, 5000000 mph, or 0 mph. Doesn’t matter. You won’t be affected if there is no change happening (acceleration).

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