# P2

AQA P2 Revision

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• Created by: kwright17
• Created on: 28-02-16 17:29
• 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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