The beam is made of an elastic perfectly plastic material for which Ï Y = 200 MPa.

The beam is made of an elastic perfectly plastic material for which σ_Y= 200 MPa. If the largest moment in the beam occurs within the center section a€“a, determine the magnitude of each force P that causes this moment to be (a) the largest elastic moment and (b) the largest plastic moment.

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P - 2 m - 2 m 2 m - 200 mm 100 mm