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Force and Motion

TermDefinition
position the location of an object
distance the length of a line between two points
motion a change in an object’s position
direction the path that a moving object follows
speed a measure of how far an object moves in a certain amount of time; Distance / Time
force a push or pull on an object
mass how much matter makes up an object
matter anything that has mass and takes up space
gravity a force that pulls objects toward each other
friction a force that acts against motion; causes objects to move slower and eventually stop moving
accelerate to go faster
decelerate to slow down
inertia a property of matter referring to the way an object remains at rest and doesn't move unless someone or something forces it to move.
work the ability to move an object.
pulley has a wheel with a grooved rim in which a rope can run around in order to lift a load easier than without it.
wheel and axle consists of a bar that a wheel revolves around on or along with it.
lever a simple machine that is a board that can move on a fixed point, called a fulcrum, and can be used to move an object up or down.
wedge simple machine that is actually two inclined planes joined together back to back.
gear made of two wheels that have notches that fit together either directly or by a chain or belt which allows one wheel to turn the other wheel.
energy the ability to do work.
kinetic energy the energy of motion.
potential energy stored energy
chemical energy energy that certain matter has because of the way its atoms are connected together.
electrical energy the movement of electrical charges
light and sound energy are forms of energy that travel in waves
thermal energy created by the movement of the particles that make up matter.
nuclear energy energy stored in the nucleus of an atom.
radiation energy that is given off in the form of particles or rays
conduction the transfer of heat energy from one object to another.
conductor a material that allows heat to run through it.
insulator a material that doesn't allow very much heat to run through it.
Created by: mrstwilliams
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