Potential energy and Kinetic energy.

Mechanical energy is essentially the sum of the potential and kinetic energies acting on a system. In an ideal situation where all forces are conservative, mechanical energy remains constant.

NOTE: Potentia Energy (PE) = (mass) * (height in meters) * (9.802 m/s^2)

NOTE: Kinetic Energy (KE) = 1/2 * (mass) * (velocity)^2

NOTE: Mechanical Energy (ME) = PE + KE

Mechanical energy!!!

Mechanical energy is the sum of kinetic energy and potential energy in a system. Kinetic energy is calculated as (1/2)mv^2, where m is the mass of an object and v is its velocity. Potential energy depends on the type of potential energy involved (gravitational, elastic, etc.) and is calculated accordingly. The total mechanical energy is the sum of these two forms of energy.

List of examples of energy conversions

1. Electric Generator (Mechanical Energy into Electrical Energy)
2. Electric Motor (Electrical Energy into Mechanical Energy)
3. Steam Engine (Thermal Energy into Mechanical Energy)
4. Diesel or Petrol Engine (Chemical Energy into Mechanical Energy)
5. Stove (Chemical Energy into Thermal Energy)
6. Electric Bulb (Electrical Energy into Thermal and Light Energy)
7. Cellular Respiration (Chemical Energy into Thermal and Mechanical Energy)