Electrical energy is used to spin the blades of a ceiling fan. If the electricity is cut off, the fan blades will slow down and eventually stop spinning. Why?
A.
All the kinetic energy of the fan blades has been transformed into potential energy.
B.
All the potential energy of the fan blades has been transformed into kinetic energy.
C.
All the kinetic energy of the fan blades has been transformed into heat energy.
D.
All the potential energy of the fan blades has been transformed into heat energy.
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