What is energy?
In physics, energy is the property that must be transferred to an object in order to perform work on, or to heat, the object.[note 1]Energy is a conserved quantity;
the law of conservation of energy states
that energy can be converted in
form, but not created or destroyed
Energy comes in different forms:
- · Heat (thermal)
- · Light (radiant)
- · Motion (kinetic)
- · Electrical
- · Chemical
- · Nuclear energy
- · Gravitational
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