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Sasser S9P2a
Physical Science - Energy
Term | Definition |
---|---|
matter | anything that takes up space |
gravity | the force that attracts a body toward the center of the earth, or toward any other physical body having mass |
force | something that causes a change in the motion of an object |
Energy | is the ability to cause change |
Kinetic energy | is the energy an object has due to its motion |
Potential energy | is the energy stored in an object because of its position |
velocity | the speed of something in a given direction |
stored energy | This work is stored in the force field, which is said to be stored as potential energy. If the external force is removed the force field acts on the body to perform the work as it moves the body back to the initial position, reducing the stretch of the sp |
friction | is the force that opposes the motion of an object |