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Machines & Mot 1-5

Physical Science 5/6

TermDefinition
mechanics study of motion
energy ability to perform work
mechanical energy energy of motion
kinetic energy energy that is being used
potential energy energy that is being stored
Law of Conservation of Energy energy cannot be created or destroyed; it can only change forms
First Law of Thermodynamics in a closed system, energy can neither be created nor destroyed, only transformed or transferred
Law of Conservation of Mass matter cannot be created or destroyed; it can only change forms
Momentum movement due to mass and velocity in a particular direction
Law of Conservation of Momentum changes of momentum in a closed system must be equal
Force a push or pull
Tension a continuous pull on an object
Tensile strength the amount of tension a material can withstand
Buoyancy force exerted by liquid and gases equal to mass of displaced fluid
Net force some of all the forces exerted on an object
Created by: ChelsLegacy
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