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Toppling Formula

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  1. Mar 12, 2017 #1
    Moderator note: Thread moved from technical forum so formatting template is missing

    Hi, I have a block with a specified weight and a lever with a force at the other end. I was hoping someone could tell me what formula i need to work out the maximum length of lever before the block falls over.
     

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    Last edited by a moderator: Mar 12, 2017
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  3. Mar 12, 2017 #2

    BvU

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    Hi there. This homework ?
    And: how come you don't worry about the height of the block ?
     
  4. Mar 12, 2017 #3
    Thanks for your response.

    Yes. Sorry, the height of the block is 1100mm.
     
  5. Mar 12, 2017 #4

    BvU

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    Thank you for the response to the second question. Now how about the first one ?
     
  6. Mar 12, 2017 #5
    Yes, it is for a project.
     
  7. Mar 12, 2017 #6

    BvU

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    Fair enough. Around what point (axis) will it rotate when it topples ?
    Where does gravity act ?
    Just before it topples, what is the equilibrium condition ?
     
  8. Mar 12, 2017 #7
    The CoG of the block is in the centre of the block, and I assume the block will topple at the bottom right point?

    I am unsure what formula to use to work out the equilibrium and toppling?
     
  9. Mar 12, 2017 #8

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    Isn't the aim of the project to find that out ?
     
  10. Mar 12, 2017 #9
    No, this is additional work I wanted to include but needed some guidance on what formula to use. No worries if you can't assist, its not essential work.
     
  11. Mar 12, 2017 #10

    BvU

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    Hmm... what's the non-additional work, then ?
    When is a balance with unequal arms in equilibrium ? (do you see the similarity with your case ?)
     
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