10.4: Analysis
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Did you feel a different force on your bent arm as compared to your straight arm while lifting the dumbbells?
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Did you feel a different force with straight arms as compared to the bicep curl while holding the dumbbells?
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Explain why the meter stick only moved a small distance and then stopped moving as you placed the 1000 gram mass on meter stick-bridge. What happened with the forces?
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Describe any differences shown by your force arrows for the sliding mass, when it was being pushed as compared to when it was sliding.
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Compare and contrast your force arrows for the two positions of the pendulum as it is swinging. What is similar? What is different?