The output force is greater than the input force for a what

For a simple machine.

Explanation:

Generally,  you would call the instance of having great output force when inputing a smaller force - a mechanical advantage.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do