Respuesta :
The answer is
A, or convert an energy input to mechanical energy output.
This is because engines transfer whatever energy they need at first into mechanical energy to move. Like car engines. They make mechanical energy to help the car move.
A, or convert an energy input to mechanical energy output.
This is because engines transfer whatever energy they need at first into mechanical energy to move. Like car engines. They make mechanical energy to help the car move.
Answer:
convert an energy input to mechanical energy output