PHY 181, Fall, 2006

Week 4

 

  Main Objectives
bulletBe able to state Newton's first and second laws of motion
bulletBe able to use the laws of motion to explain physical events such as what happens during automobile accidents and how air bags protect passengers. 
bulletBe able to distinguish between mass, weight, and apparent weight
bulletBe able to draw freebody diagrams for any situation
bulletBe able solve motion problems in one-dimension using F=ma
Tuesday Exam I on Chapters 1-3.

Outside of class:   Read Ch. 4 Sec. 1-5 and 7.  Do Ch. 4 workbook exercises 3, 5, 7, 8, 10, 11, 25, 27, and 28.
Thursday Demonstrations and discussion related to Newton's second law. Begin to practice problem solving strategies starting with equilibrium problems.

Outside of class:    Read Ch 4 Sec. 6 and Ch. 5 Sec. 1-2. Do Chapter 5 workbook exercises 6, 7, 10, 11, 13, and 15. Complete Ch 4 textbook exercises 9, 37, and 44 to be turned in tomorrow.
Friday Lots more practice problems with and without friction.

Outside of class: Read Ch. 5 Sec. 3-6.  Do workbook exercises 20, 21, 22, 24, 27, 29 and 31.  Complete Ch. 5 textbook exercises 4, 6, 7, 10,  25, 27, and 32  to be turned in on Tuesday.