# AQA P2 Important Formulaes

You don't need to know these but it is good to get an idea of them as some will not come up. also you have to know about how to re arrange them.

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Important P2 Formulas
- To Calculate Weight:
Weight = Mass x Gravitational Field Strength
( Newton's) (Kilograms) (Newton's/Kilograms)
- To Calculate Resultant Force:
Resultant Force = Mass x Acceleration
(Newton's) (Kilograms) (Meters/Second²)
- To Calculate Stopping Distance:
Stopping Distance = Thinking Distance + Braking Distance
- To Calculate Work Done:
Work Done = Force Applied x Distance Moved in Direction of Force
(Joules) (Newton's) (Meters)
- To Calculate Kinetic Energy:
Kinetic Energy = ½ x Mass x Velocity²
(Kilogram) (Meters/Second)²
- To Calculate Momentum:
Momentum = Mass x Velocity
(Kilograms Meters/Second)(Kilogram) (Meters/Second)
- To Calculate Potential Difference:
Potential Difference = Current x Resistance
(Volts) (Ampere) (Ohm)
- To Calculate Power (1):
Power = Energy Transformed ÷ Time
(Watts) (Joules) (Seconds)
- To Calculate Power (2):
Power = Current X Potential Difference
(Watts) (Amperes) (Volts)
- To Calculate Energy Transformed:
Energy transformed = Potential Difference x Charge
(Joules) (Volts) (Coulombs)
Zain Ul-Abideen