Mechanics of Materials
Across
- 4. materials that exhibit little or no yielding before failure
- 6. maximum and minimum normal stresses
- 9. an example of serviceability is ____
- 10. the boundary conditions of a ___ support are slope and deflection equal zero
- 12. when something is being pulled apart
- 13. where the maximum shear stress is located
- 14. change in____is the area under the shear diagram
- 15. a negative internal moment is concave____
- 16. represented by two normal stresses and one shear stress acting on an element
- 17. average stress determined by the internal resultant shear force on the section divided by the section's area
- 20. change in length over the original length
- 21. section constructed from two or more parts joined together to form a single unit
- 23. force that acts perpendicular to the area
- 25. a bar with the same cross sections throughout its length
- 29. maximum axial load that a column can support before buckling
- 30. method to determine slope and deflection of a beam
- 31. method to find the yield strength
- 32. Poisson's ratio is a ratio of lateral over longitudinal ____
- 33. a ___ ___ pressure vessel must have an inner-radius-to-wall-thickness ratio of 10 or more
- 34. the longitudinal and hoop stresses are equal in ____ pressure vessels
- 37. linear coefficient of thermal expansion
- 38. the internal shear force times the first moment of area over the moment of inertia
- 40. normal stress is positive if it is positive on the ____ face
- 41. maximum shear stress is equal to the ____on the Mohr's circle
- 42. stress at which the specimen breaks
- 43. moment that tends to twist a member about its longitudinal axis
Down
- 1. lateral deflection of a column
- 2. tool for visualizing and computing stress transformations without using equations
- 3. the first step in the principle of superposition is to identify and remove the____
- 5. type of bending when shear is zero
- 7. the deflection curve of the longitudinal axis that passes through the centroid of each cross-section area of a beam
- 8. changes to a body's shape and size due to an applied force
- 11. maximum____stress is determined by the moment divided by the section modulus
- 16. upper stress limit of the linear elastic region
- 18. an object's tendency to deform elastically when a force is applied
- 19. average stress determined by the internal resultant normal force acting through the centroid divided by the cross sectional area
- 22. a fixed support on a real beam becomes a ____ on the conjugate beam
- 24. column stability is affected by its ____, moment of inertia,and elastic modulus
- 26. the maximum and minimum normals stresses are ____ degrees apart
- 27. permanent deformation
- 28. value of shear strain at the center of a shaft
- 34. column design criteria are strength, deflection, and ____
- 35. hoop stress is ____ than longitudinal stress in a cylindrical pressure vessel
- 36. the effective length factor for a column with a fixed and free end is ____
- 39. his law relates stress and strain in the elastic region