1. Topics that will be on the Chapter 9 Test 1. Center of mass in the x and y dimension (9) #1 2. Center of mass for a polygon (9) #3 3. Momentum concepts involving Impulse 4. Three styles of collisions 5. Impulse and momentum graphs 6. Ballistic Pendulum problem 7. 2D style collision ( ineleastic and “poolball”) Chapters 9

2. Format of Test 1. 5 MC Concept questions 2. 8 MC math based questions 3.3 small word problems 4.1 Larger Core Problems 5. APC Free response Problem Chapters 9

3. Bonus Material The answer key to Pretest #4 Forces Is now a pdf file that you must access separately. It is located right next to this PP file in the Ch 9 table. Go to the Wiley Test Generator on the APC Main Page a) select Chapter 7….Section 7:1 & 7:2 ODDS! b) I will put one of these 8 questions on the test!