# The unit of energy is

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The unit of energy is
1. Newton
2. Kilogram
3. Watt
4. Joule

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Correct Answer - Option 4 : Joule

Concept:

Energy:

• Energy is the capacity of doing work.
• The SI unit of energy is Joule and dimensional unit is [ML2T-2].
• It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.
• Energy in the process is transfer from one body to another.

Explanation:

• As mentioned above, unit of energy is joule.
• Newton is the unit of force.
• Kilogram is the unit of mass.
• Watt is the unit of power.

List of SI and CGS unit of some physical quantities are given below.

 Physical Quantity SI Unit CGS Unit Energy/Work/Heat joule erg Force Newton Dyne Mass Kilogram gram Power Watt erg/sec