PowerPoint PresentationHomeworkExam 1Exam FormatExam 1 Helpful HintsExam 1 PitfallsExam 1 TopicsSlide 8Slide 9Exam 1 Historical DataME 221 Exam 1 Review 1ME 221 StaticsExam #1 ReviewME 221 Exam 1 Review 2Homework•Due today:–Chapter 2 problems:–61, 64, 70, 71, 72, 82, 86, 94, 105 & 113•Grades posted in Angel–HW #1 & Quiz #1 (and solutions)–HW #2 & Quiz #2 (solutions posted)–HW #3 solutions to be posted late todayME 221 Exam 1 Review 3Exam 1•Wednesday, September 17ME 221 Exam 1 Review 4Exam Format•Similar to homework problems•5 or 6 (maybe 7) problems•No new concepts•Closed books and closed notes•15% of final grade•Will need a calculator•Back rows must sit every other seatME 221 Exam 1 Review 5Exam 1 Helpful Hints•Study by working homework problems •Review the examples in the book•Read the exam questions carefully•Work the problems you know first•Use a logical flow to show your knowledge•Be completeME 221 Exam 1 Review 6Exam 1 Pitfalls•Vectors have both magnitude and direction •Most answers will have units•Calculated answers should be in decimal form•Use 3 significant figures where appropriate•Answers are generally worth ~1/3 of points•Steps leading to answers are worth ~2/3ME 221 Exam 1 Review 7Exam 1 Topics•All of Chapters 1 & 2 except 2.11 Springs•Newton’s Laws•Units•Scalars & vectors; defining, adding, etc.•Laws of sine and cosine•Resolution of a vector into componentsME 221 Exam 1 Review 8Exam 1 Topics•3D coordinates & unit base vectors•Directional cosines•Nonorthogonal vector components•Scalar products of vectors•2D & 3D equilibrium problems•Drawing a good free-body diagramExam 1Exams will be graded Wednesday nightScores will be posted on Angel late Wednesday or early ThursdayLast day to drop with full refund is ThursdayExam 1 Historical DataOf those students below 60 points on exam 1: ~30% dropped the course~24% received 0.0 for final grade~46% passed the courseNone has finished above a 2.5 final