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adeniyta

  • 2 years ago

If a person pulls on a block hard on two strings how would the force diagram look. Here is what I think:

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  1. adeniyta
    • 2 years ago
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    |dw:1335837871451:dw|

  2. vizkosity
    • 2 years ago
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    |dw:1335841117564:dw| with T1 is tension from the first string, T2 is the second one. If you are pulling it down verticly, there will be a gravity force pulling straight down

  3. vizkosity
    • 2 years ago
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    |dw:1335841238236:dw| thought i would completel it for you. ignore the mg if you don't account gravity

  4. adeniyta
    • 2 years ago
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    Okay thank you- if the block speeds up while moving downward would it look like:

  5. vizkosity
    • 2 years ago
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    my drawing is not on scale, but yes, whatever is pulling down must be greater than both T1cos theta and T2cos theta combined. So the resulting force would be straight down using superposition principle. A picture of a full problem might help

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