PHY 101 - Meeting #2

Topic(s) Explaining Motion:
  • Aristotle  and Galileo (Revisited)
  • Inertia
  • Newton's laws ofmotion
  • Force and weight
  • Vectors and graphical vector addition
Reading List Pages 34-55
Objectives
  • Be able to compare and contrast the world views of Aristotle, Galileo and Newton
  • Be able to describe the motion of a real object in terms of the world views of Aristotle, Galileo and Newton
  • Have a physical understanding of the meaning of inertia
  • Be able to state in words Newton's 3 laws of motion
  • Understand  the concept of the "Net Force"
  • Be able to find the net force graphically adding the individual force vectors -- there is a simulation to help you visualize the process.
  • Solve simple problems involving Newton's second law
  • Understand the difference between mass and weight
  • Understand what is meant by "terminal velocity" and its cause
  • Be able to apply Newton's third law
  • *Know what is meant by a "Free Body Diagram"
Homework
  • Chapter 3 Questions:  1, 3, 5, 9, 17, 19, 23, 27, 29, 44, 48, 58, 61
  • Chapter 3 Exercises:  1, 5, 14, 17
  • Computer Homework .