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Work, Energy & Power Notes & Focus Questions
Directions: Using the Physical Science
Textbook pages 69 89, answer the following focus questions.
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Work has many meanings in English but a
specific meaning in science. Define the word work
scientifically.
- What equation is used to calculate work?
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What is the S.I. unit for work?
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Problem: If a woman pushes a box 9 meters along the floor
with a 10N force. What is the work she has done?
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Define the word energy?
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What is the S.I. unit for energy?
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List at least 7 types of energy.
- Compare and contrast potential energy to
kinetic energy.
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If a ball is dropped from a tall building
explain where the maximum and minimum kinetic and potential
energy are found as the ball drops.
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Power has many definitions in English but a specific meaning
in science. Define the word power scientifically.
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What is the equation for power?
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What is the S.I. unit for power?
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Problem: If a motorcycle does 150N of work in 20 seconds, how
much power does the bike have?
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