P2

AQA P2 Revision 

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  • Created by: kwright17
  • Created on: 28-02-16 17:29
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  • Resultant Force
    • P2
      • Distance Time graphs
        • Gradient =  Rise /Run (change in y/ change in x)
      • Acceleration
        • A = (v-u)/t
          • A= Acceleration (ms-2) V= Final velocity (Ms-1) U= Initial velocity (ms-1) t= Time taken (s)
      • Rate of Change of Velocity
      • Work done and Power
        • WD = F x D
        • Power is the rate of use of energy ... 1 Watt is 1 Joules per second
    • Overall net force acting on an object (Difference between the forces.
    • If the Resultant force is 0 the object could be :  Not moving, Traveling at a constant speed.
    • If  the resultant force is not 0 the object will accelerate
  • Weight and Mass
    • Mass is how heavy something is. It is measured in KG
    • P2
      • Distance Time graphs
        • Gradient =  Rise /Run (change in y/ change in x)
      • Acceleration
        • A = (v-u)/t
          • A= Acceleration (ms-2) V= Final velocity (Ms-1) U= Initial velocity (ms-1) t= Time taken (s)
      • Rate of Change of Velocity
      • Work done and Power
        • WD = F x D
        • Power is the rate of use of energy ... 1 Watt is 1 Joules per second
    • Weight is the force on an object due to gravity. It is measured in Newtons.
      • W Weight = N  M Mass = KG g gravitational field strength = 9.81ms-2
  • Terminal Velocity
    • In the absence of air (and therefore air resistance) All objects accelerate at the same rate, regardless of the mass.

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