1 A farewell or final appearance, action, or work. 2  The beautiful legendary song sung only once by a swan in its lifetime, as it is dying.
A person converts chemical potential energy into kinetic/mechanical energy when he walks. The chemical potential energy usually takes the form of adenine triphosphate (ATP) st â¦ ored in the body.
The definition of mechanical energy is power that an object gets from its position and motion. An example of mechanical energy is the power of a football flying through the air. An example of mechanical energy is a wrecking ball that is swung backwards away from a building. As the ball is swung backwards using mechanical energy, potential energy is stored. When the ball is swung forwards to wreck the building, this is kinetic energy.