Question: For the 4-point flexural test shown in the illustration below, a load P/2 is applied at the locations shown and is supported by rollers that

For the 4-point flexural test shown in the illustration below, a load P/2 is applied at the locations shown and is supported by rollers that exert reactions RA and RB on the beam. Solve a) the reactions RA and RB in terms of the force P, b) the shear diagram, c) the moment diagram, d) finally, what is the maximum moment?

P/2 P/2 L/3L/3L/3 RA -L RB B

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