Question

To which of the following does the first law of thermodynamics apply?
A. heating objects

B. transferring thermal energy

C. doing work on a system

D. all of the above

Answer 1

D. all of the above

The First Law of Thermodynamics states that energy: (1) cannot be created and (2) cannot be destroyed. All energy in is conserved, even if it is done through transformations of energy into different forms during a physical process.

Answer 2

A. heating an object is transfer of energy from a source to the object- check
B. transferring of energy is accidentally unintentionally unexpectedly explained in the above answer - check
C. doing work is spending some energy to do something, well, heat is one form of energy - check
D. did I miss something in here - check