KINETIC ENERGY

The Kinetic Energy of Objects – Remember it!

The Kinetic Energy of Objects – Remember it!

  • Physics GCSE science revision- Kinetic energyA distance-time graph is distance plotted against time.
  • speed = distance / time
  • Speed is usually measured in metres per second (m/s).
  • The gradient of a distance-time graph can be used to figure out the speed at which an object was moving.
  • Velocity is the speed of an object in a given direction.
  • acceleration = change in velocity / time taken for the change.
  • Acceleration is usually measured in metres per second squared (m/s2).
  • The velocity of a moving object can be plotted in a velocity-time graph.
  • If the gradient of the slope is negative then this shows deceleration.
  • The distance travelled is represented by the area under the line of the graph
  • Physics GCSE science revision- Kinetic energyWhenever a force causes an object to move, work is carried out.
  • W = F x d
  • Power refers to how quickly the work is carried out and how fast the energy is transferred.
  • P = E / t
  • Objects above the ground carry gravitational potential energy.
  • Ep = m x g x h
  • Objects that are moving posses kinetic energy.
  • Ek =