Why does a bending design require a determination of the beam’s section modulus?

Q: Give examples of curved beams?

A: Curved beam: A beam which is already bent without effect of any application of external force and…

Q: Cantilever prismatic beam is loaded by concentrated loads.

A:

Q: Draw Normal force, shear force and Bending moment Diagram

A: Given:- P=48kips AB=12' BC=12' CD=16' BE=10' To find: To draw 1) Shear force diagram 2) Normal force…

Q: Why is the stress analysis of a non-prismatic beam generally very difficult toperform?

A: For a prismatic member(a member having uniform cross section throughout its length),the value of…

Q: 3. For a beam in bending, what is a suitable Airy Stress Function? Why?

A: given; for a beam in bending ,what is suitable airy stress function? why?

Q: Using the beam sign convention how can we determine the elastic curve?

A: Elastic Curve is also known as the deflection curve. It is obtained from the Bending moment curve.…

Q: What can be done if the elastic curve for a beam seems difficult to establish?

A: When the elastic curve for a beam seems difficult to establish then the conjugate beam method is…

Q: Illustrate a general method for determining the reactions on a statically indeterminate beam or…

A: The most common method to determine the reaction forces of a statically indeterminate structure is…

Q: What is a simply supported beam?

A: A simply supported beam is one of the simplest structures in Structural Mechanics. The one end of a…

Q: How is it possible to determine the bending stress developed within the curvature of the pole?

A: Yes, it is possible to determine the bending stress within the curvature of the pole using the…

Q: Why is it necessary to be sure the actual bending and shear stress in thebeam does not exceed…

A: The actual bending and shear stress:  The actual bending stress and shear stress of a beam should…

Q: How can we determine the shape of a fully stressed, simply supported beam that supports a…

A: In this problem, the circular cross-section of the beam is considered. The simply supported beam…

Q: The diagram shows the welded crass beam which farms an encastré beam. Calculate the magnitude of…

A: (a) For a fixed beam with a uniform distributed load, The bending moment diagram and shear force…

Q: When is a bending moment: positive or negative?

A: To define when the bending is positive and negative

Q: How can the flexural rigidity be constant along the length of the beam?

A: Flexural rigidity is defined as the product of Young’s modulus (E) and Moment of inertia of the beam…

Q: Why are the beams that are short and carry large loads, especially those made of wood, are first…

A: This problem basically belongs to structural design. Structural design is basically a branch of…

Q: Explain the shear and moment diagrams? How they are used te calculate the bending moment?

A: Shear and bending moment diagrams are analytical tools used in conjunction with structural…

Q: What happens to the shear stress as flexural capacity increases?

A: It is the strength of any beam against transverse loads applied on them. It is given by 'EI', where…

Q: What is the equation for the twisting moment of a bar?

A: Assuming a bar shown in figure having length L and radius R and which is twist at angle θ along…

Q: Explain the shear and moment diagrams? How they are used to calculate the bending moment?

A:

Q: How is it helpful to sketch the deflected shape of a beam, which is represented by its elastic…

A: The elastic curve of the beam: The elastic curve of the beam represents the radius of curvature of…

Q: Does the elastic curve represent the centerline deflection of a beam or shaft?

A: The equation for the elastic curve for beam or shaft is the direct consequence of the…

Q: What are the uses of beams?

A: Any structural element which takes on transverse loading and not longitudinal is called a Beam. Any…

Q: F(t), A 27 FIGURE 1.114 Impact force created by a forging hamm F(t) MA A 27 -A FIGURE 1.116 A…

A: in this question, no values are given , so the below mentioned values are taken for the reference

Q: What method should be developed in curved beams to describe the stress distribution?

A: The distribution of stress in curved beams can be determined using the following assumptions: 1. The…

Q: During pure bending, why there is no shear stress?

A: Bending - Bending of a beam is due to the moment load applied during the loading of the beam.…

Q: Describe what are beams? Give an example?

A: Given Beams To find Definition of beam, with example

Q: Why should the deflection of a beam or shaft often be limited?

A: Reasons for the deflection of a beam or shaft often be limited : 1. If deflection in beams are not…

Q: Define the term fully stressed beam?

A: Given Beam To find Definition of fully stressed beam

Q: How can we determine the stress in a beam or shaft caused by bending?

A: Bending stress can be determined by the flexural formula. MI= σy Where, M = Bending moment at layer…

Q: What is a bending moment?

A: Bending moment: Bending moment is a moment which developed in any structure or body when a force or…

Q: Why does the nail spacing depend on the magnitude of shear in the beam?

A: Sometimes a few wooden boards are joined together with the help of nails to form as a beam in a…

Q: Describe Bending Stress

A: Bending stress is the normal stress that an object encounters when it is subjected to a large load…

Q: How can we assure that the beam will resist shear, especially at the points where concentrated loads…

A: cocentrated load is a point load

Q: How are the energy methods applied in order to solve problems involving deflection?

A: Given: Energy method on deflection problem To Show : How are the energy methods applied in order to…

Q: Define the term Bending Moment and when is it caused?

A: Bending moment is the reaction induced in the ember when an external force or moment acts on it. It…

Q: When does the maximum bending moment of a bar occur?

A: Bending moment When an outer force is applied on a beam, a reaction occurs in the beam, which causes…

Q: what effects does bending have on material properties

A: What is bending? It is defined as the state of stress.

Q: How can the elastic curve for a beam be established?

A: Elastic curve   The curve along which the axis of a beam is bent under the action of a load (the…

Q: Discuss how to prevent the twisting of a beam when it supports a load?

A: Torsion in beams arises generally from the action of shear loads whose points of application do not…

Q: Why should the beams be designed on the basis of strength?

A: Beam is a structural member that supports the loadings perpendicular to their longitudinal axis.

Q: How can we develop a method for finding the shear stress in a beam?

A: Consider a beam element CD of thickness dy at a distance y from the neutral axis as shown in the…

Q: How can we assume that the shear stress is constant over the cross-sectional area of the beam's web?

A: Given Shear stress Cross-sectional area of the beam’s web To find Procedure to assume constant

Q: a) A part for a specialist mining machine is made from solid A992 structural steel with a diameter…

A: Solution: Given Data: d = 25 mm

Q: When can we consider a beam to be a true T beam?

A: When span of bean is greater than 4 m then T beam is considered as compared to rectangular beam.…

Q: Bending Moment = ? %3D Shear force = ? %3D

A: To find Shear force (Vx) Bending moment (Mx)

Q: Explain the concept of unsymmetrical bending. What are the conditions that should be satisfied for a…

A: Given:- The concept of unsymmetrical bending.

Q: Discuss various methods for determining the deflection and slope of beams and shafts?

A: The methods to determine the defection and the slopes in the beam depending on the orientation of…