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Physical Science

Kinetic Energy & Forces

TermDefinition
speed The measurement of the rate of change of position with respect to time
mass the amount of matter in something; measured in grams
motion The change in an object’s position with respect to time and in comparison with the position of other objects used as reference points
potential energy Energy that is stored in a system or object
kinetic energy the energy of motion
Law of Conservation of Energy A law stating that energy cannot be created or destroyed—it can only change forms
collide/collision when objects push on one another with force
force a push or pull that can change the motion of an object
interacting object objects that affect one another
Newton's Third Law The law stating that for every action force, there is an equal, opposite reaction force
Newton The SI unit of force, or mass times acceleration
spring scale A tool that measures a pulling force by the tension on a spring in units of newtons
Created by: MrHeyen
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