Conservation of momentum - Momentum before = momentum after, Units for momentum - kg m/s, Newton's Third Law - Every action has an equal and opposite reaction, Principle of moments - At equilibrium, sum of clockwise moments = sum of anticlockwise moments, Units for moments - Nm, Is momentum a scalar or a vector quantity - Vector, equation for calculating momentum - mass x velocity, m1 x v1 = - m2 x v2, Unit for mass - kg, Unit for velocity - m/s, Explain how _________ protects ________ - Impact time increases, rate of change of momentum decreases, therefore force is reduced ,

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