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TermDefinition
Force a push or pull on an object
Net force combined forces on an object
Unbalanced forces forces acting on an object that aren’t balanced
Balanced forces forces acting on an object that are balanced
Newtons units to measure force
Friction a force where two surfaces exert one another
Static friction friction that acts on objects that aren’t moving
Sliding friction friction when two solid surfaces slide against each other
rolling friction when an object rolls against another object
Fluid friction when a solid object moves through a fluid
Gravity a force that pulls objects towards each other
Mass the amount of matter in an object
Weight the gravity on an object on the surface of a planet
Free fall when the only force acting on an object is gravity
Air resistance a type of fluid friction that acts on object flowing through the air
Projectile an object that is thrown
Compression an elastic force that squeezes or pushes
Tension an elastic force that stretches or pulls
Inertia an object’s tendency to resist change in motion
Momentum the quantity of motion
The Law of Conservation of Momentum without outside forces, objects that interact will have the same momentum
Satellite any object that orbits another object in space
Centripetal force any force that causes an object to move in a circular motion
Created by: Richard D