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Force and Motion
Physical Science
Term | Definition |
---|---|
force | a push or a pull that causes an object to move, stop, or change direction |
kinetic energy | the energy of motion, observable as the movement of an object |
net force | the sum of all the forces acting on an object |
mass | the amount of matter an object contains. |
friction | the force that resists motion when the surface of one object comes in contact with the surface of another |
direction | the line or course along which something moves, lies, or points |
speed | how fast an object is moving |
potential energy | he energy that is stored in an object due to its position |
push | a force that changes the direction of an object away from you |
pull | a force that changes the direction of an object towards you |
gravity | an invisible force that pulls objects toward each other |
motion | the process of an object moving or being moved |
position | where something is related to another object |
acceleration | how fast an object speeds up |