Department of Physics and Astronomy
Michigan State University
PHY231 Fall 1997

Lecture 7: September 10

Reading before class: C/J 4.1 - 4.4

Topics and Concepts

• Newton's first law of motion
  • Inertia and Mass
• Newton's second law of motion
• Newton's third law of motion

Equations

• F=ma
• SI units of force: Newton (N)

Demonstrations

• Pulley
• Bungee jumping
• 2 scales

Examples

• Pushing a stalled car (C/J example 1, page 93)
• An accelerating block (C/J example 2, page 94)
• Astronaut on a spaceship (C/J example 4, page 96)

Transparencies

• Fig. 4.8

Reading for next class: C/J 4.5 - 4.8

PHY 231

This document http://www.pa.msu.edu/courses/1997fall/PHY231/lect07.html was last updated on 20 August 1997 by Thomas Glasmacher