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Chapter 2 Vocab


force push or pull
newton basic SI unit of force
net force combination of all forces acting on an object
Unbalanced forces whenever net forces are acting on an an object
balanced forces equal forces acting on an object
friction force that objects exert when they rub against each other
static friction friction acting on stationary objects
sliding friction friction when two solid objects
rolling friction friction when an object rolls across a surface
fluid friction friction when a solid object moves through a fluid
gravity force that pulls objects towards each other
mass amount of matter in an object
weight force of gravity on a person or object
free fall only gravity is acting on an object
air resistance upward force exerted on falling objects
terminal velocity when air resistance = weight
projectile object that is thrown
Inertia resistance of motion
satellite any object that rotates around nother object in space
centripetal force force caussing objects to move in a circular path
Created by: SMoswald