Scalar and Vector Quantities

• What is a scalar quantity?

  A quantity that only has a magnitude
• What is a vector quantity?

  A quantity that has a magnitude and direction
• What type of quantity are Forces?

  Forces are vector quantities
• Arrows can be used to represent vector quantities. What do the length and direction of the arrow show?

  The length of the arrow shows the magnitude . The direction of the arrow shows the direction that the vector quantity is acting
• What is the name of the force that is acting backwards on the boat below?

  Resistive force

  
• What is the name of the force that is pushing the boat forwards?

  Driving force

  
• What is the name of the force that pushes the boat up?

  Buoyancy

  
• What is the name of the force that pulls the boat down?

  Gravity

  
• What do the arrows on this diagram of a boat indicate?

  The direction that the forces are acting

  
• Why is a force a vector quantity?

  It occurs when objects interact