Vectors & Scalars

• What is contact force


  When objects physically touching
• What is non-contact force


  When not touching
• What is a Scalar


  Quantity that ONLY has Magnitude
• What is Vector


  Quantity that has BOTH Magnitude and direction
• Give examples of Scalar


  • Distance
  • Speed
  • Mass
  • Energy
  • Temperature
• Give examples of Vectors


  • Displacement
  • Velocity
  • Acceleration
  • Force
  • Momentum
• If no resultant force then no acceleration
• How to find the resultant force


  Adding them (Might be negative)