Hi, noobstudent96! Normal force is the force a surface exhibits on an object as a result of Newton's Third Law. It counteracts gravity and keeps you and every other object from sinking into the ground and the center of the earth. ~USER:KeanuDevito12_
Hi, noobstudent96! Normal force is the the physical force that keeps you from being sucked down into the earth. :) ~USER:AshMain2002
What is a free-body diagram?_
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How does gravity exist?_
How does the second law of thermodynamics affect large cities?