a) Calculate the reactions (N) at each of the two rear wheels... (i) at A.  (ii) at B. c) If crate D is removed and the position of crate C remains, calculate the reactions (N) at each of the two front wheels at B.  There is no value for "cdb"; just plug it into the solution. The answer does not have to be a numerical value; it can be an equation.

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Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.