Free Body Diagram of Balanced and Unbalanced Forces

• What does Newton's First Law state about an object in motion?

  An object in motion stays in motion
• What is the significance of inertia in Newton's First Law?

  It describes the tendency of objects to resist changes in motion
• What is the purpose of a Free Body Diagram (FBD)?

  • Analyzes the forces present in an object
  • Provides a visual representation of forces
• Are there always four forces present in a Free Body Diagram?

  No, there aren’t always 4 forces
• What type of quantity is force?

  Force is a vector quantity
• What are the types of forces in physics?

  • Fn = Normal force
  • Fg = Gravitational force
  • Ff = Frictional force
  • Fapp = Applied force
  • Ft = Tension force
  • Fair = Air resistance