Question

select all that apply
the laws of thermodynamics are concerned with relationships between which of the following items?
mechanical energy
work
heat
potential energy

Explanation:

The laws of thermodynamics deal with energy transfer and conversion. Mechanical energy can be involved in work (e.g., in engines). Work is a key concept (e.g., first law: $\Delta U = Q - W$). Heat ($Q$) is central (e.g., heat transfer in processes). Potential energy is more related to conservative force fields (not directly a main focus of thermodynamics laws compared to the others).

Answer:

• Mechanical energy
• Work
• Heat