Kinematics

Cards (9)

  • Kinematics is the study if motion and its description
  • Uniform motion occurs when the object moves in a straight line at constant speed
  • Velocity is calculated by using the displacement or distance over time?
    Displacement
  • Free fall describes an object falling solely under the influence of gravity
  • What is the acceleration due to gravity on Earth?
    9.8 m/s2
  • Do all objects on earth fall at an acceleration of 9.8 m/s2 when air resistance is neglected?

    YES
  • What did Aristotle conclude on FREE FALL?
    Objects had a desire to return to their "rightful" places based on the four elements. Heavier objects had a greater desire therefore fell faster than lighter objects.
  • What did Galileo conclude on FREE FALL?
    All objects, regardless of their mass, would accelerate at the same rate.
  • If an object displacement (Straight line distance from d1 to d2) is zero, velocity is also zero.
    Ex. Making donuts with your car