What is the internal energy of a system?

کسی نظام کی داخلی توانائی کیا ہے؟

The total kinetic energy of the system

The amount of heat supplied to the system

The energy of the atoms of the system

None of these

Internal energy is the sum of the kinetic and potential energy of atoms or molecules within a system.

It includes translational, rotational, vibrational, and intermolecular potential energy.