What is the purpose of structural components such as frames, bearings, and mounts?

A.) Connect two rotating parts of a machine.

B.) House, secure, and connect all parts to form one machine or tool.

C. Provide power to the machine.

D.) Transfer input energy from the power source throughout the machine.

An electric kettle is made out of stainless steel, weighs two pounds (when empty) and is equipped with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling