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Calculate the location of point load
This calculation is an example problem in structural engineering. This content is sponsored by PPI. For exam preparation courses on FE and PE, see the list offered by PPI
Calculate the distance x for locating point load so that the moment on the beam at point B is zero.
Solution
∑MA=0 -> (L/2)*2P-F2*(L-x)+P*L=0 -> F2=-(2P)*L/(x-L) (1)
∑FY=0 -> F1+ F2=2P+P -> F1=P*(3x-L)/(x-L) (2)
∑MB=0 -> (L/2)*F1 - F2*(L-L/2-x)+P*(L-L/2)=0 -> x=L/2
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