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Year 10 Pathway C Mr. D. Patterson 1

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State Newtons second law of motion Apply Newtons second law to simple situations Use F=ma to solve for unknown values 2

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A force is a push or pull which may: A) Change the shape of an object B) Change the velocity of an object 3

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An object at rest..... stays at rest An object in motion.... stays at a constant velocity Unless acted on by an unbalanced force. 4

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The acceleration of an object is proportional to the unbalanced force acting on that object and inversely proportional to the mass 5

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6 The acceleration of an object is proportional to the unbalanced force Large Force = Large Acceleration

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7 The acceleration of an object is proportional to the unbalanced force Small Force = Small Acceleration

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The acceleration of an object is proportional to the unbalanced force acting on that object and inversely proportional to the mass 8 The acceleration of an object is inversely proportional to the mass Small Mass = Large Acceleration Large Mass = Small Acceleration

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Newtons second law as a formula: F is force (N) m is mass (kg) a is acceleration (ms -2 ) 9

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Make a magic triangle if it helps 1) What force is required to push a 1000 kg car with an acceleration of 1.5 ms -2 ? 2) What acceleration can be achieved by pulling a 20 kg cart with a force of 45 N? 10

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State Newtons second law of motion Apply Newtons second law to simple situations Use F=ma to solve for unknown values Matthew and Winters Sets 15 and 16 11

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