Kinematics

• Define vector

  A physical quantity that has both magnitude and direction.
• Define scalar

  A physical quantity that has magnitude only.
• Define resultant vector

  The single vector which has the same effect as the original vectors acting together.
• Define distance

  The length of path travelled.
• Define displacement

  A change in position.
• Define speed

  The rate of change of distance.
• Define velocity

  The rate of change of displacement.
• Define acceleration

  The rate of change of velocity.