Work, Energy and Power
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7 Terms
work done
the work done on an object by a force as the product of the displacement and the component of the force parallel to the displacement
Gravitational potential energy
the energy an object possesses due to its position to a reference point
Kinetic energy
the energy an object has a result of the object’s motion
mechanical energy
sum of gravitational potential energy and kinetic energy at a point
work-energy theorem
the work done by a net force on an object is equal to the change in the kinetic energy of the object
Power
the rate at which work is done or the rate at which energy is transferred
efficiency
the ratio of output power and input power