positive and negative shear diagram

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    Rebekka O'Melia (Edited )

    Hi Mengfan,

    Shear is like slicing - one part up and one part down.  Cut a piece of card stock with scissors and look at the scissor and the cut it leaves closely.  One side will be bent downwards.

    Hope this helps.

    Rebekka O'Melia, R.A., NCARB, B. Arch, M. Ed, NOMA, Step UP ARE 5.0 Courses

     

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    Rebekka O'Melia

    Yes, it's important to understand that these force diagrams represent magnitude and direction.

    Rebekka O'Melia, R.A., NCARB, B. Arch, M. Ed, NOMA, Step UP ARE 5.0 Courses

     

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    Khuyen Phan

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    Khuyen Phan

    the square piece of material experiencing the shear force.

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