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science vocab words

Acceleration the rate at which velocity changes
Air Resistance the fluid frition experienced by objects falling through air
Balanced Forces equal forces acting on an object in oppisite directions
Friction the force that one surface exerts on another when the two surfaces rub againest each other
Force a push or a pull
Mass the amount of matter in an object
velocity speed in a givin direction
Efficiency the percentage of the input work that is converted to output work
Pascal a unit of pressure equal to 1 newton per square meter
Speed the distance an object travels per unit of time
Static Friction friction that acts on objects that are not moving
Newton a unit of measure that equals the force required to accelerate 1 kiliogram of mass at 1 meter per second
Power the rate at which work is done
Pulley a simple machine that consists of a grooved wheel with a rope or cabel wrapped around it
Mechanical Advantage the number of times a machine increases a force exerted on it
Net Force the overall force on an odject when all the individual foces actting on it are adding together
Work force exerted on an object that causes it to move
Created by: tacolover73