Forces

• Basic ideas
• Newton's Laws
• The force of gravity
  • Example: Your weight
  • Example: Weights in elevators
• Tension
• Problem solving strategies
  • Tension on an inclined plane
    • Draw a diagram
    • Draw free body diagrams
    • F=ma in component form
    • Limits
  • Mass held by two ropes
    • Draw a diagram
    • Draw free body diagrams
    • F=ma in component form
    • Solve the equations
    • Limits
  • pulleys
• The Fracas over Friction
  • Example
    • Free body diagrams
    • F=ma in component form
    • Solve the equations
    • Check answer