Describe the energy transformations that occur in a

Agas expands from an initial volume of 0.040 m^3 and an initial pressure of 210 kpa to a final volume of 0.065 m^3 while its temperature is kept constant. how much work is done by the system?

What is the force that opposes motion and works against the downward pull? a) friction b) gravity c) weight d) acceleration

Convection occurs when thermal energy is transferred by the movement of