Simple Machines

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Simple Machines

• By Tina Wnuk

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General Objective

• General Objective PS-5The student will show
  how simple machines affect work and power by
  calculating mechanical advantage and efficiency.
• A.  Describe work and how it involves the
  presence of force and motion. (PT)
• B.  The student will describe power and explain
  how it relates to the principle of work divided
  by time. (PT)
• C.  Identify six simple machines as force
  transformers and calculate mechanical advantage
  efficiency. (PT)

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Concept Map
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Activities
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Scoring

• Students will participate in a laboratory
  practical, in which they will exhibit skills
  learned during the simple machine lessons.
• Students will also take a paper pencil test.

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Lesson Summary
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Citations, Credits, References

• Physical Science text book, Glencoe 1999
• Owensville High School Science Department

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Career Areas

• Carpenter
• Mechanic
• Plumber
• Electrician
• Homeowner