Watch NASA astronaut Randy Bresnik demonstrate Newton’s Second Law of Motion on the International Space Station by applying a force to objects of different mass. Do you see the differences in acceleration? Try the activity in your classroom! https://www.nasa.gov/sites/default/files/atoms/files/stemonstrations_newtons-second-law.pdf For a high quality copy for download, visit: https://archive.org/details/jsc2018m000122_STEMonstration_Newtons_Second_Law_of_Motion