The word atom means "uncuttable" because we used to think that atoms were the smallest unit of matter. We now know this is not the case. Atoms can be broken down into three pieces called sub atomic particles. What are these 3 particles?

Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe