Subject: How does the 'floor' know when to push up?
Date: Thu Jan 21 18:48:27 1999
Posted by Mara Kugler
Grade level: undergrad
School: ithaca college
City: ithaca State/Province: NY
Area of science: Physics
Newton's third law says "For every action there is a reaction"
So when you are running or jumping, there is always some time
when your body is totally off the ground or the force is
decreased depending on what phase you are in. So how does the
floor "know" when and how much force to apply to keep the person
from going through the floor?
Re: How does the 'floor' know when to push up?
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