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P9 Forces-2 - Coggle Diagram
P9 Forces-2
Acceleration
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explain using forces why the parachutist reaches terminal velocity why opening the parachute reduces the terminal velocity 
Speed
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what factors affect the speed at which a person can walk, run or cycle?
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Newton's Second Law
Required practical activity 19: investigate the effect of varying the force on the acceleration of an object of constant mass, and the effect of varying the mass of an object on the acceleration produced by a constant force
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Velocity
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explain qualitatively, with examples, that motion in a circle involves constant speed but changing velocity
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Conservation of momentum
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describe and explain examples of momentum in an event, such as a collision
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