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adithya
Beginner
Asked: 2022-02-27T11:29:27+05:30 In:

What is the concept of Internal forces, when do we have internal forces?

I can’t understand the concept of forces in members, While finding force at a location in a beam we cut the beam and assume it to be in equilibrium and find the forces, How can we assume the cut part to be in equilibrium ?

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    1. Internal forces produced from the external forces acting on structure members such as beam, slab, lintel, columns.
      Internal forces acting in the form of: –

        1. Axial force or normal force
        2. Shear force
        3. Moment
      1. Axial force or normal force: – A compression or tension force action aligned with the extension of a structure member.
      2. Shear force: – A force acting in a direction perpendicular to the alignment of the member.
      3. Moment force: – A turning result of a force multiplied by the distance from its acting location to the turning point.
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