Use a battery to turn the starter motor on a vehicle. Use petrol/diesel fuel to run an automobile. Pull the elastic on a catapult and let go to propel a stone. Fire a gun.
Mechanical energy is energy of motion, kinetic energy, and is not stored.
To know what sort of energy is being changed, we need to know what is doing the changing. If your asking what stored energy is being changed into mechanical energy, that answer is potential energy.
Stored energy is basically potential energy.
By burning the coal. The stored chemical eneregy is converted to heat energy. That may be used to create steam. Expanding steam pushes a piston or turbine, converting the heat energy to mechanical energy.
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To have stored Motion or position
Stored mechanical energy to mechanical energy
Mechanical energy is combination of potential and kinetic energy. Chemical energy is stored in an object.
Mechanical
motion, mechanical energy
Energy stored in a moving body, (Bullet)
Yes.