6. An object possesses 40 J of total energy. A force does -10 J of work upon the object
How much energy will the object now possess?

40 + (-10) = 30

The answer is 30 J.

hypothesising or postulating

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.