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

Things that aren’t moving don’t want to start moving. If you’ve ever left your drink on top of the car and started driving, if you put your foot on the gas, the drink will fall off the back of the roof. When you sit in a car and accelerate, your body doesn’t want to start moving so the seat pushes you forward. Eventually, you speed up to the same speed as the car and the seat stops pushing you forward. At this point, you can easily move around the inside of the car.

The same thing happens in an airplane. You feel the seat pushing you forwards until you are moving the same speed as the plane – about 500 miles per hour.

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