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Year 10 Pathway C Mr. D. Patterson 1

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Define work as the product of pushing an object (F) over a distance (s) Solve problems using W = Fs = mas 2

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Lifting a pen off the floor or lifting a brick off the floor? Pushing a wheelbarrow across a driveway or pushing the same wheelbarrow up the street? What makes each one require more work?

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Work is the product of the displacement an object moves and the net force applied to the object in that same direction. W = work (J) F = force (N) s = displacement (m) m= mass (kg) a = acceleration (ms -2 )

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How much work is done dragging a body for the mafia with a force of 30 N for 200 m? 5

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How much work is done pushing a macbook air up Mt Everest? hint: Mt Everest is 9 km high and a macbook air has a mass of 1 kg 6

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Define work as the product of pushing an object (F) over a distance (s) Solve problems using W = Fs = mas Matthews and Winter Set 21 7

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Kinetic Energy A moving object has energy because of its motion. This energy is called kinetic energy.

Kinetic Energy A moving object has energy because of its motion. This energy is called kinetic energy.

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