windmills make mechanical energy. :)
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Mechanical energy is the sum of an object's kinetic energy and potential energy due to its position or state. An example sentence could be: "The roller coaster gained mechanical energy as it climbed to the top of the first hill, converting potential energy into kinetic energy as it descended."
You can see an example of mechanical energy when an earthquake happens.
No, an electric motor does not convert chemical energy to mechanical energy. Electric motors convert electrical energy into mechanical energy by using electromagnetic fields to create motion.
You are using mechanical energy, which is the energy associated with motion and position of objects. By pulling the wagon, you are exerting a force to move the wagon and your sister, which requires mechanical energy.
Common objects using mechanical energy include cars, bicycles, wind turbines, and elevators. Mechanical energy is the sum of potential and kinetic energy in an object due to its position and motion. It is often converted from one form to another to perform work.