Final answer:
The sum of Kinetic Energy, Potential Energy, and Heat represents the total energy, which includes the motion of objects (kinetic), their stored energy due to position (potential), and energy transferred due to temperature difference (heat).
Step-by-step explanation:
The result of the expression Kinetic Energy + Potential Energy + Heat is the sum of the three energies. Kinetic energy is the energy that an object possesses due to its motion, while potential energy is the stored energy that an object has due to its position or configuration. The heat term often refers to the energy transfer due to temperature difference.
Every system has internal kinetic and potential energies which are the sums of the kinetic and potential energies of the system's atoms and molecules, respectively. Therefore, when you add up the kinetic energy, potential energy, and heat, you're combining all forms of energy present in a system.
The SI unit for energy, including kinetic and potential energy, is the joule (J).