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Warm up 5/07/13

Warm up 5/07/13. Question: What is mechanical advantage? Answer: How much a machine multiplies force MA =output force / input force = input distance / output distance Goal: I will calculate mechanical advantage. Element of the day. 75 – Rhenium – Re

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Warm up 5/07/13

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  1. Warm up 5/07/13 • Question: What is mechanical advantage? • Answer: • How much a machine multiplies force • MA =output force / input force • = input distance / output distance • Goal: I will calculate mechanical advantage.

  2. Element of the day • 75 – Rhenium – Re • Rhenium was the last stable element to be discovered, in 1925 in Germany. It is very rare and costs hundreds of dollars per ounce. • About ¾ of the world’s rhenium is used in fighter jet turbine blades.

  3. Quiz / Vocab Reminder • Pulley Lab • Tonight’s HW • Finish Lab Agenda / HW

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