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SCI8-Physics

Forces and motion (EPISD 8th grade)

QuestionAnswer
Speed Change of distance over time
Velocity Speed and direction
Acceleration Change of velocity over time
Work Force times distance
Energy Ability to do work
Force A push or a pull
Kinetic Energy being used (or in motion)
Potential Energy that is stored
Motion Change in position relative to another object
Balanced forces Forces that are equal and result in no movement
Unbalanced forces Forces that are unequal and result in acceleration
Isaac Newton Scientist who described the laws of motion
Friction Resistance force as an object moves along a surface
Simple machine A device that changes the direction or force needed to perform work
Created by: sLnelson
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