AQA Physics [P2] Part 1

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GCSE Physics Mind Map on AQA Physics [P2] Part 1, created by ryancharman98 on 23/10/2014.
ryancharman98
Mind Map by ryancharman98, updated more than 1 year ago
ryancharman98
Created by ryancharman98 about 10 years ago
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Resource summary

AQA Physics [P2] Part 1
  1. Motion
    1. Distance-time graphs
      1. Gradient = speed
        1. Steeper gradient
          1. Faster speed
      2. Velocity-time graphs
        1. Gradient = acceleration
          1. Steeper gradient
            1. Faster acceleration
          2. Horizontal line
            1. Travelling at steady speed
            2. Area under line
              1. Distance travelled
            3. Velocity
              1. Speed in given direction
              2. Acceleration
                1. Change of velocity
                  1. a = (v-u)/t
                2. Forces
                  1. Two objects
                    1. Always exert equal and opposite forces
                    2. Resultant force
                      1. Zero
                        1. Stays at rest of object is at rest
                          1. Carry on moving at same speed if object is moving
                          2. Causes acceleration
                            1. Bigger the force, greater the acceleration
                          3. On the road
                            1. Stopping distance
                              1. BD + TD
                              2. Thinking distance
                                1. Driver
                                  1. Tired
                                    1. Alcohol
                                      1. Drugs
                                    2. Breaking distance
                                      1. Increased by
                                        1. Bad weather
                                          1. Poorly maintained roads
                                            1. Condition of car
                                              1. Tyres
                                                1. Friction
                                      2. Falling objects
                                        1. Fluid
                                          1. Exerts a drag force
                                            1. Terminal velocity
                                              1. Velocity it reaches when it falls
                                        2. Stretching and squashing
                                          1. Extension
                                            1. Difference between the length of spring and its original length
                                            2. Extension directly proportional
                                              1. Stiffer spring
                                                1. Greater spring constant
                                                2. Elastic potential energy stored
                                                  1. When work is done
                                              2. Energy and Momentum
                                                1. Gravitational potential
                                                  1. Stored
                                                    1. Position in Earth's gravitational field.
                                                  2. Kinetic
                                                    1. Greater mass
                                                      1. Faster speed
                                                    2. Momentum
                                                      1. Greater mass and velocity
                                                      2. Two objects push each other
                                                        1. They move apart with different speeds
                                                          1. Equal and opposite momentum
                                                      3. Current Electricity
                                                        1. Electrical charges
                                                          1. Insulating materials
                                                            1. Charge when rubbed
                                                          2. Resistance
                                                            1. Potential difference / current
                                                              1. Ammeters always placed in series
                                                                1. Voltmeters always placed in parallel
                                                              2. Current-potential graphs
                                                                1. Filament bulb
                                                                  1. Curve
                                                                  2. Diode
                                                                    1. Forward resistance low
                                                                    2. Thermistor
                                                                      1. Resistance decreases if temp increases
                                                                    3. Series circuit
                                                                      1. Connected one after other
                                                                        1. Current same
                                                                        2. Parallel circuit
                                                                          1. Total current = all currents
                                                                            1. Bigger resistance, smaller current
                                                                              1. I = (V / R)
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