Wednesday, May 18, 2011

Announcements:

• Bring a #2 pencil, two UNC General Purpose (Scantron) Answer Sheets (available at the campus book store), scientific calculator, and an open mind to the exam tomorrow.
• There will be a review session for Exam1 today after class (9:30 - 10:00) in our classroom.

Suggestions for exam preparation:

1. Practice by taking Exam1 from 2003. (allow 50 minutes to work as if it were an actual exam)
2. Review conceptual questions and answers in back of book. (1 hr.)
3. Review homework problems and textbook examples as needed. (1 hr.)
4. Review class notes and know how to answer in-class exercises. (1 hr.)
5. Study ConcepTest (clicker) questions under Course Documents section of Blackboard. (1 hr)
6. Practice setting up (and solving as time permits) additional problems with known solutions for checking your work.

Assignments:

• Study for the exam and get a good night's rest!
• [optional: original RWP for Exam1 - due Thursday at 8:00 am]
• After the exam, read Chapter 7 and be prepared to discuss in class on Friday.

Chapter 6:  Applications of Newton's Laws of Motion

Elevator problem - Is your weight going up?
Hands on friction - How does it feel?  Find coefficient of friction without using any measuring devices.
Applications of F = ma:  clicker questions
Ponderable:  What is the tension in the rope during a contest of tug-of-war?
Forces on a refrigerator magnet  - don't forget friction!
Demo:  Bucket of bolts
Demo: Whirlygig
Ch. 6 Problems: 14, 52, 86