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Push N Pull

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Push N Pull

  1. 1. FORCES
  2. 2. What is a force? A force is or a pull . It is an action that can change the shape, size and motion of an object. a push
  3. 3. The following examples show the different effects of forces. An arrow hits into a target. (The arrow pushes into the target)
  4. 4. An athlete reaches the finishing line and the finishing line is being stretched. (The athlete pushes the finishing line and the finishing line is being pulled )
  5. 5. A basketball goes through through the net. (The basketball pushes through the net)
  6. 6. Is it a push or a pull? Push Pull Push Push Push/pull Push Pull Pull
  7. 7. What is this woman doing? Well done! She is pulling the handle to lift up the weight.
  8. 8. What will happen when you step on the step-pad ? Yes. The lid will open. Are you pushing or pulling the step-pad? Well done! You are pushing the step-pad.
  9. 9. What is the man trying to do? Yes. He is trying to drill a hole. Is the drill bit pushing or pulling itself into the wood? Well done! The drill bit is pushing itself into the wood.
  10. 10. What happens when a force is applied? The stationary object moves
  11. 11. What happens when a force is applied? The speed of the object increases
  12. 12. What happens when a force is applied? The object changes direction
  13. 13. What happens when a force is applied? The moving object stops moving.
  14. 14. What happens when a force is applied? The shape of the object changes.
  15. 15. Effects of forces 1. Force can move a stationary object. 2. Force can change the speed of a moving object. 3. Force can stop a moving object.
  16. 16. Effects of forces 4. Force can change direction of a moving object. 4. Force can change the shape of an object.

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