# chapter 33 - Chapter 3 Getting a move on Click to edit...

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Click to edit Master subtitle style 9/23/11 Chapter 3 – Getting a move

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9/23/11 Newton’s second law of Law of acceleration - an object
9/23/11 Momentum Momentum = mass x velocity What is the difference between velocity and acceleration? Who has more momentum: Athlete A weighing 200lbs and running at a constant velocity of 12mph or athlete B weighing 100lbs and running 12mph? What if athlete A is running at 12 mph or B running at 25 mph? Especially at short distances, what is essential for gaining momentum?

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9/23/11 Impulse Impulse – force applied to an object over time Force Ultimately, impulse = a change in momentum Impulse to slow down Resisting objects over a greater distance or timeframe aids in decreasing the
Mechanical Work Work = force x distance Measured in Joules Is there any mechanical work performed during isometric contractions?

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chapter 33 - Chapter 3 Getting a move on Click to edit...

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