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Physics Semester Review ch 5
Semester Review
13
Physics
12th Grade
01/08/2012

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Term
Work
Definition
The product of the magnitudes of the component of a force along the direction of displacement and the displacement.
Term
kinetic energy
Definition
The energy of an object due to its motion.
Term
Formula for kinetic energy
Definition
1/2 x mass x (speed)^2
Term
Work-kinetic energy theorem
Definition
Wnet=KE
Term
Potential energy
Definition
The energy associated with an object due to the position of the object.
Term
Gravitational potential energy
Definition
The potential energy associated with an object due to the position of the object relative to the Earth or some other gravitational source.
Term
Formula for gravitational potential energy
Definition
mgh
Term
Elastic potential energy
Definition
The potential energy in stretched or compresses elastic object.
Term
Formula for elastic potential energy
Definition
1/2 k x^2
Term
Conservation of Mechanical Energy
Definition
MEi= MEf
Term
Power
Definition
The rate at which energy is transferred
Term
Formula for power
Definition
w
--
t
Term
Alternate Formula for power
Definition
Fv
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