How Everything Works
How Everything Works How Everything Works
 

QUESTIONS AND ANSWERS
 
Question 31

Why do you feel no acceleration in free fall, even though you are accelerating?
This wonderful question has many answers. The first, and most direct, is that you do feel the acceleration. You feel an upward fictitious force (not a real force at all, but an effect of inertia) that exactly balances your downward weight. The feeling you experiences is "weightlessness." That's why your stomach feels so funny. You're used to having it pulled downward by gravity but the effect of your fall is to make it feel weightless.
         

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