A.3. Work, Energy and Power
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9 Terms
Work
The work done on an object is the force applied to move the object in the direction of the force.
Kinetic Energy
The kinetic energy is the energy stored in the body when it is in a state of motion.
Gravitational Potential Energy
The gravitational potential energy is the energy stored in a body due to the effects of gravity.
Elastic Potential Energy
The elastic potential energy is the energy stored in any elastic body i.e. a body that returns to its original shape after the external force is removed.
Conservation of Energy
Kinetic Energy = Potential Energy
Power
The work done per unit time
Power needed to maintain a constant velocity
Efficiency
Energy Density
Note 
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