Now Playing: Answers to Chap 12 Practice Test
Topic: Chapter 12
1. 100/16 = 6.25 N (Notice that the ladders are from the surface of the earth, not measured from the center of the earth--that's why it is 4 2 instead of 3 2)
2. 100/9 = 11.1 N
3. 100 x 9 = 900 N
4. increase
5. 1/3
6. decrease
7. the earth and the sun is greater. See P&C problems 3 & 4.
8. decrease
Posted by physicscp
at 9:38 AM EST
Updated: Monday, 5 February 2007 9:47 AM EST
