George and Fred are having a tug-o-war. George pulls the rope with a force of 52.1N and Fred pulls against George with a force
of 12.2N. If the rope has a mass of 5.9 how fast is it
accelerating?

are there answer choices to this question? this seems like a question where you have options to choose from.

false br

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.

conservation of mass

mass before something happens = mass afterwards