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anonymous

  • 5 years ago

Suppose you have summer job trimming hedges. Someone leaves the hedge-trimming shears out in the rain, causing the bolt at the joint to get rusty. The next time you trim the hedge, you discover that you have to exert a much greater force on the handles than you did before. You are doing more work on the shears, but the shears are doing the same amount of work on the hedge that they did before the joint rusted. Can you explain why this happens?

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  1. JamesJ
    • 5 years ago
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    Friction. Friction leads to work being done. In this case, more of the work you do on the shears is consumed by working against friction.

  2. anonymous
    • 5 years ago
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    oooooooo

  3. anonymous
    • 5 years ago
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    Thanks gave you medal.

  4. JamesJ
    • 5 years ago
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    much obliged to be sure.

  5. anonymous
    • 5 years ago
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    Hey, you have msn?

  6. JamesJ
    • 5 years ago
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    nope. It's here or no where.

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