2. For the structural beam shown; noting that the internal hinges lies in the midspan of the beams; find the following: a. Draw the shear and bending moment diagrams. b. Construct Influence Lines for: (Rc, RF, SD, SRight-E, SLeft-E, Mc, SLeft-F)

Q: solve and e and f

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Q: Q5 Draw the influence line for (a) the moment at B, (b) the shear at C, and (c) the vertical…

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System of Forces

A force is an external influence or agent that changes the state of a system. According to Newton's second law, the force applied to a body is proportional to the change in momentum of a body. Hence, whenever a force is applied to a body, its momentum changes. If the body is at rest, under the action of force, its state of rest changes to motion. In other words, the magnitude of the momentum of the body changes from zero to a measurable value. Similarly, if the body possesses some initial velocity, it has some associated momentum, the effect of force can cause the body to halt or come to rest, that is, the momentum reduces to zero.