Answer:
Work is the energy transferred to or from an object via the application of force along a displacement.
You put electricity<span> into it at one end and an </span>axle<span> (metal rod) rotates at the other end giving you the power to drive a machine of some kind.
</span>
The mitochondria is the powerhouse of the cell because it takes nutrients and breaks it down to provide energy for the cell.
The process of burning fuel is Combustion