PhysOct31

PhysOct31 - October 31 Physics In: What is energy?...

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October 31 Physics
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In: What is energy?
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Objective : To begin our study of energy Success criteria: Be able to solve work problems .
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Energy Unit Big Question: How does energy transfer from one form to another and help us do work? Challenge: To create a demonstration that shows the Conservation of Energy.
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What do we need to know first: Types of energy: Work Kinetic energy Gravitational potential energy Elastic potential energy Law of conservation of energy Power
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Types of Energy: Work
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Work
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Notes: Work=force x distance Force and distance must be in the same direction
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Problem: A windmill pumps 200 kg of water a distance of 10 meters high. How much work did it do?
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Two men push a box 50 meters across the floor. Each gives a force of 100 N. How much work do they do?
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A woman does 50 push ups. When she does a push up she lifts half of her 50 kg body up . 5 meters.
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This note was uploaded on 11/18/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.

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PhysOct31 - October 31 Physics In: What is energy?...

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