Question

Which statement is true about the thermal energy of an object? Choose the correct answer. 1). Thermal energy is the internal potential energy of an object. 2). Thermal energy is the heat that is transferred in and out of an object. 3). Thermal energy is the sum of kinetic and potential energy of an object. 4). Thermal energy is the internal kinetic energy of the molecules of an object.

Answer 1

This thermal energy flows as heat within the box and floor, ultimately raising the temperature of both of these objects.