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8 Questions

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How could a cord withstand a force greater than its breaking strength?

homework-and-exercises newtonian-mechanics forces string

Nov 15 '16 at 11:43 Community♦ 1

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3

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4

answers

10k

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Is it possible for the Normal Force to do work?

newtonian-mechanics forces

Nov 15 at 22:12 John Darby 1,902

3

votes

2

answers

950

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Air Drag in orbit

homework-and-exercises newtonian-mechanics newtonian-gravity orbital-motion drag

Feb 16 '15 at 21:04 DJohnM 9,460

2

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3

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532

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What happens to KE when lowering a raised book?

newtonian-mechanics energy-conservation potential-energy

Jan 28 '15 at 15:50 Paul 3,225

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173

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What does a scale accelerating on an incline read?

newtonian-mechanics classical-mechanics

Nov 17 at 21:01 Community♦ 1

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2

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2k

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Hooke's law vs. elastic potential energy

homework-and-exercises newtonian-mechanics potential-energy spring

Apr 5 '17 at 3:33 DanielSank 21.5k

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2

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1k

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Why is momentum conserved in inelastic collisions? How is it related to momentum-impulse theory?

newtonian-mechanics momentum conservation-laws collision

Mar 18 '15 at 18:44 image 2,897

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55

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weightlessness and forces conceptional question

newtonian-mechanics newtonian-gravity

Feb 14 '15 at 18:17 mariam.. 169

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