P2.2 The Kinetic Energy Of Objects Speeding Up Or Slowing Down

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GCSE Physics (P2) Mind Map on P2.2 The Kinetic Energy Of Objects Speeding Up Or Slowing Down, created by killthemoment on 08/10/2014.
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P2.2 The Kinetic Energy Of Objects Speeding Up Or Slowing Down
1 P2.2.1 Forces And Energy
1.1 When a force causes an object to move through a distance work is done and energy is transferred.
1.1.1 W=F×d where W is the work done in joules, J, F is the force applied in newtons, N and d is the distance moved in the direction of the force in metres, m.
1.1.1.1 P=E/t where P is the power in watts, W. E is the energy transferred in joules, J and t is the time taken in seconds, s.
1.1.1.1.1 Ep=m×g×h where Ep is the change in gravitational potential energy in joules, J, m is the mass in kilograms, kg. g is the gravitational field strength in newtons per kilogram, N/kg and h is the change in height in metres, m
1.1.1.1.1.1 Ek=1/2×m×v2 where Ek is the kinetic energy in joules, J, m is the mass in kilograms, kg and v is the speed in metres per second, m/s.
2 P2.2.2 Momentum
2.1 Momentum is a property of moving objects: p=m×v where p is momentum in kilograms metres per second, kg m/s, m is the mass in kilograms, kg and v is the velocity in metres per second, m/s.
2.1.1 In a closed system the total momentum before an event is equal to the total momentum after the event. This is called conservation of momentum.
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