General questions: Which one of the following free-body diagrams best represents the free-body diagram, with correct relative force magnitudes, of a person in an elevator that is traveling upward but is gradually slowing down at a rate of 9 m/s2? 
f is the force of the floor on the person and 
g is the force of gravity on the person.
Definitions:
Custody
The protective care or guardianship of someone or something, often used to describe the legal guardianship of a child.
Patentable Invention
An invention that meets specific legal criteria to be protected by a patent, preventing others from making, using, or selling the invention without permission.
New and Useful Machine
An invention that offers a novel and functional solution or improvement to a particular problem or need.
Scientific Principle
A fundamental concept or law that guides scientific work and is widely accepted as true based on evidence.
Q14: Relative velocity: A long-distance swimmer is able
Q16: Newton's second law: A 60.0-kg person rides
Q17: Molecular rotation: The moment of inertia of
Q20: Cosmology: Dark matter was initially proposed to
Q23: For bilateral sites, the first character of
Q24: The common name for varicella is chickenpox.
Q42: Conservation of momentum: As a tile falls
Q67: Rotational kinematics with constant angular acceleration: A
Q78: Nuclear binding energy: Radium-226 decays into radon-222
Q107: General questions: An object is moving forward