Statics and Mechanics of Materials (5th Edition)
5th Edition
ISBN: 9780134382593
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 15.2, Problem 21P
If the allowable bending stress is σallow = 6 MPa, and the glue can support a shear stress of τallow = 8 kPa, determine the largest magnitude of the loads P that can be applied to the beam.
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Chapter 15 Solutions
Statics and Mechanics of Materials (5th Edition)
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- The simply supported joist is used in the construction of a floor for a building. In order to keep the floor low with respect to the sill beams C and D, the ends of the joists are notched as shown. If the allowable shear stress is tallow = 350 psi and the allowable bending stress is sallow = 1500 psi, determine the height h that will cause the beam to reach both allowable stresses at the same time. Also, what load P causes this to happen? Neglect the stressconcentration at the notch.arrow_forwardDetermine the internal normal force at section A if the rod is subjected to the external uniformly distributed loading along its length of 8 kN>m.arrow_forwardIf the intensity of the load w = 15 kN>m, determine the absolute maximum tensile and compressive stress in the beam.arrow_forward
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- The simply supported beam is built up from three boards by nailing them together as shown. If P = 12 kN, determine the maximum allowable spacing s of the nails to support that load, if each nail can resist a shear force of 1.5 kN.arrow_forwardA laminated spring Im long is built in 100 mm x 10 mm plates. If the spring is to carry a load of 10 kN at its centre, determine the number of plates required for the spring. Take allowable bending stress as 150 MPa.arrow_forwardTwo forces, each of magnitude P, are applied to the wrench. The diameter of the steel shaft AB is 17 mm. Determine the allowable value of P if the shear stress in the shaft is not to exceed 134 MPa. Use G = 80 GPa for steel.arrow_forward
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