HPS Machine Efficiency

In Class:

• Collect Science Fair schedules.
• Machine Efficiency lecture (no videos available). Includes differences between ideal mechanical advantage and real mechanical advantage.
• Lecture notes available here.
  

Homework (due Thu 12/6/2007):

• Complete Lab 4.1: Simple Machines Scavenger Hunt. Due date extended to tomorrow.
  
• HPS HW 4.1: Machines and Efficiency.