A 6 × 10-in. timber beam has been strengthened by bolting to it the steel straps shown. The modulus of elasticity is E = 1.5 × 106 psi for the wood and E = 30 × 106 psi for the steel. Knowing that the beam is bent about a horizontal axis by a couple of moment 200 kip·in., determine the maximum stress in (a) the wood, (b) the steel.
Fig. P11.99

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