Sunday, 14 October 2012

What is Force ?
  1. All actions involve pushes and pulls.
  2. Pushes and pulls are forces.
  3. A push is an action of moving an object away.
  4. A pull is an action of bringing an object towards us or in the direction we are moving.
  5. Expect activity of force :
  • The boy slides down because there is a force pulling him.
  • A man needs to pull the fishing rod to get the fish out of the water. 
  • The roundabout rotates when being pushed.
  • The girl on the swing moves forward and then upwards when given a push.
  • The girl shoot the ball because there is a force pulling the ball.