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ENERGY - PART 1

ENERGY WORDS*************

TermDefinition
Force the push or pull on or by an object
Gravitational Force a force of attraction between two bodies, even though the bodies are not touching
Elastic Force a force associated with materials, such as rubber bands, that stretch when acted upon
Newton metric unit for force
Weight measure of gravitational force (units in Newtons)
Friction Occurs when two objects in contact rub against each other
Independent Variable the variable in an experiment that can be changed or manipulated to determines its influence on the dependent variable
Dependent Variable the variable in an experiment that is measured
Air Friction also known as drag- occurs when an object moves rapidly through air and influences the speed of the object.
Spring Scale a tool used to measure the amount of force of an object- units in newtons
Work The result of force times distance. Units will be in Nm
Surface Area the amount of an object that is exposed to another object (usually important in air friction)
Power The amount of work completed over a period of time. Units as Nm/s
Energy the ability to do work
Created by: DSTOBER