Introduction to forces

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  • Created by: Maddieecb
  • Created on: 02-02-14 15:35
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  • Intro to forces
    • Measured in Newtons
    • When 2 objects interact, force 1 = action force.      Force 2 = reaction force!
    • When a rocket burns fuel releasing hot gas at high speed its reaction force makes the rocket move forward
    • Always an action and reaction force!
    • Resultant forces
      • All forces on an object replaced by a single force with the same effect.
        • If in same direction they add, but opposite direction and you subtract.
    • If stationary or constant speed resultant force = 0
    • An ice skater does not slow or speed up much at all unless adding a force as there is a tiny amount of friction acting on their blades


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