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6th Grade: energy, motion, force, and work
Topic 1 Lesson 1 6th Grade: energy, motion, force, and work
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Vocab Energy – the ability to do work or cause change
Motion – an object’s position changes relative to another object Force – a push or pull Work – when the force exerted is in the same direction as the motion Power – the rate at which work is done Maximum – the most or highest point
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Guiding Questions How is energy related to motion and force?
What are the relationships among energy, motion, force, and work?
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Energy How does energy relate to motion?
How does energy relate to force?
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Energy, Motion, Force, and Work
How are these concepts related?
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Motorcycles (Page 4 & 5) Answer the questions for the “Connect It!”
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Motorcycles (Page 4 & 5) Answer the questions for the “Connect It!”
How is the motorcycle using mechanical energy? Chemical, thermal, light, and sound?
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Work Work (Joule) = Force (Newton) x Distance (Meter)
The unit for Work is a Joule Joule = Newton x Meter
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Practice in Notebook! Show your work! Work(J)=Force(N) x Distance(m)
1. How much work is done by a person who uses a force of 27.5N to move a grocery buggy 12.3m? 2. How much work is done by a person who pushes a lawnmower with a force of 50N at a distance of 450m? 3. 55,000J of work is done to move a rock 25m. How much force was applied?
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Power Power (Watt) = Work (Joule) / Time (Second)
The unit for Power is a Watt Watt = Joule / Second
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Model it! Power Work Force Motion Energy needed for motion
Force acting upon an object can change motion Power Work Force Motion Energy needed for motion Energy used to exert force Power= Energy Transferred/Time Energy is transferred during work If work is sdone, there is motion Power=Force x Distance/Time ENERGY Power= Work/Time
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