9/20/13, Friday

Post date: Sep 20, 2013 3:7:8 PM

Bell Ringer

• • A box sits at rest on a 15.0^o incline. If the box has a weight of 35N, and the normal force is 33.81 N, how much friction acts on the box?

Activities

• • Bell ringer

  • Changing coordinate system from ramp problems

  • Newtons 2nd law notes and practice

Practice

• • Page 132: 1-5

  • Page 146: 19, 22

Assignment

• • Pages 145 - 149: 9, 10, 19, 20, 22, 31, 35, 38, 48, 50 due Thursday, 9/26

Announcements

• • Chapter 4 test Friday, 9/27