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Level 2

Paper 2 equations


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Momentum (kg.m/s) =
Mass (kg) x Velocity (m/s)
Force (N) =
Change in Momentum (kg.m/s) / Time (s)
Energy or Work (J) =
Voltage (V) x Charge (C)
Primary Voltage (Vp) / Secondary Voltage (Vs) =
Number of primary turns (Np) / Number of secondary turns (Ns)
Primary Current (Ip) x Primary Voltage (Vp) =
Secondary Current (Is) x Secondary Voltage (Vs)