Forces

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  • Forces
    • Between Objects
      • Objects give equal and opposite forces on each other
        • Action and Reaction forces
    • Measured in NEWTONS
    • Resultant Force
      • Single force that would have the same affect on the object as all the forces acting together
      • Force at zero
        • If the object is still, it will stay still
        • If the object is moving it will carry on moving at the same speed and same direction
      • Not at zero
        • Results in acceleration in the direction on the force
        • If the object is at rest it will accelerate in the direction of the force
        • If already moving in the direction of the force the object will accelerate in that direction
        • If the object is moving in the opposite direction of the fore it will decelerate
      • If the object is moving it will carry on moving at the same speed and same direction
      • Acceleration
        • F=m x a
        • The greater the Resultant Force on an object the greater acceleration
          • Resultant Force
            • Single force that would have the same affect on the object as all the forces acting together
            • Force at zero
              • If the object is still, it will stay still
            • Not at zero
              • Results in acceleration in the direction on the force
              • If the object is at rest it will accelerate in the direction of the force
              • If already moving in the direction of the force the object will accelerate in that direction
              • If the object is moving in the opposite direction of the fore it will decelerate
            • Acceleration
              • F=m x a
              • The greater the Resultant Force on an object the greater acceleration
                • The bigger the mass of the object the more force needed to make the object accelerate
          • The bigger the mass of the object the more force needed to make the object accelerate
      • On the road
        • Stopping distance= thinking distance+ braking distance
        • Thinking distance increased if driver is tired or under drugs/alcohol
        • Braking distance increased by road/weather conditions and car condition

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