Lecture 23 - Mass and acceleration. Investigate the relationship between mass and acceleration of an object. To begin this investigation, ask Students whether they think there is a difference between two trucks rolling down a hill. One is empty, and the other is fully loaded with heavy cargo. Let them speculate first (make sure they back up their hypothesis with science reasoning as much as possible, and accept different hypotheses). | Lecture Science 1 - Associate Degree in Education: Lecture 23 - Dr. Arshad Bashir