For the given wooden beam and cross section, a) Determine the maximum magnitude of P ( P>0) by considering the following properties for wood and glue: The allowable shear stress of wood: 30 MPa The allowable shear stress of glue: 40 MPa b) Determine the maximum spacing of nails if the maximum allowable shear force for each nail is 10O0KN and P is 20 kN.

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