physics - study of matter, forces, and energy, energy - the ability to do work or cause change, force - a push or pull that causes an object to move, kinetic - the energy of motion, potential - the energy of position or condition, scientific law - a statement that is used to explain why something happens in nature, motion - change in position, inertia - tendency for an object to continue moving or stay at rest (1st Law), acceleration - any change in the motion of an object, either speed or direction (2nd Law), reaction - a force that is equal and opposite to the action (3rd Law), conservation - law that energy cannot be created or destroyed, it only changes forms,

5_Physics Intro

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