Adelivery man pushes the button to ring the doorbell. which of the following forms of energy is not involved in this process

Of the following given choices;

The answer is; gravitational.

When the delivery man pushes the doorbell, he is utilizing mechanical energy. This energy is later converted to electrical energy that travels through a circuit to the inside of the house. An actuator then converts the electrical energy to sound that is heard inside the house.

because if the tool that you are using is not balanced it there would be false mass.