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Chapter+6+Power+Point+Fall+2010[1]

# Chapter+6+Power+Point+Fall+2010[1] - Review of Your...

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Click to edit Master subtitle style Review of Your Readings: Chapter 6 – Mechanical Efficiency and Movement Economy

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What is the 1st Law of Thermodynamics? During exercise, chemical energy stored within the bonds of macronutrients are converted to what forms energy?
What is the formula for work?

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Power What is it? What is its formula?
Why Measure Power?

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How is work evaluated?
Math Problem: Bench Stepping A 135-lb female stepped up and down off a 10-inch bench at a cadence of 124 beats•min-1 (i.e., 31 stepping cycles•min-1) for 20 minutes. Calculate her work output (in both kpm) and power output (in both kpm•min-1).

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Math Problem: Cycle Ergometer A subject pedaled at a rate of 60 revolutions•min-1 against a 2.0 kp resistance on a Monark ergometer for 15 minutes. Calculate his work output (in kpm) and power output (in both kpm•min-1). l Note. The front flywheel of the Monark traverses 6 meters per 1 revolution.
Mechanical Efficiency For external work to be accomplished,

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Chapter+6+Power+Point+Fall+2010[1] - Review of Your...

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