Mechanical Engineering: Solve Question on Bent Bar Forces

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In summary, mechanical engineering is a branch of engineering that deals with designing and maintaining mechanical systems. A bent bar force is a force applied to a bent or curved bar, used in analyzing and designing structures and mechanical components. To solve a question on bent bar forces, one must use equations and principles from mechanics of materials, carefully considering boundary conditions and assumptions. Some common applications of bent bar forces in mechanical engineering include structural design, machinery design, and equipment analysis. However, limitations of using bent bar force analysis include assumptions of linear elastic behavior and isotropic, homogeneous materials, as well as disregarding environmental factors.
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Homework Statement



hi everybody I'm new to mechanical engineering, currently studying for it

and i was wondering if someone can please help me solve this question and show working out.

"the two forces shown act at point A of the bent bar. Determine the resultant R of the two forces."


Answer: R = 2.35i - 3.45j kN"

[PLAIN]http://img802.imageshack.us/img802/8416/problem.jpg [Broken]
 
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Welcome to PF!

Please show what formulas and equations you think are relevant for solving this problem, what you have done so far to solve it and where you are stuck.
 

1. What is mechanical engineering?

Mechanical engineering is a branch of engineering that deals with the design, development, and maintenance of mechanical systems. It involves the application of principles from physics, materials science, and mathematics to create solutions for real-world problems.

2. What is a bent bar force?

A bent bar force is the force applied to a bar that has been bent or curved. This force can be either compressive or tensile, depending on the direction of the bend. It is an important concept in mechanical engineering as it is used to analyze and design structures that are subjected to bending loads.

3. How do you solve a question on bent bar forces?

In order to solve a question on bent bar forces, you will need to use equations and principles from mechanics of materials. You will first need to calculate the internal forces and moments acting on the bent bar, then use the appropriate equations to determine the stresses and deflections. It is important to carefully consider the boundary conditions and assumptions made in the problem in order to come up with an accurate solution.

4. What are some common applications of bent bar forces in mechanical engineering?

Bent bar forces are commonly used in the design of structural elements such as beams, columns, and trusses. They are also important in the design of mechanical components such as shafts, springs, and connections. Additionally, bent bar forces are used in the analysis and design of various types of machinery and equipment.

5. What are the limitations of using bent bar force analysis?

One limitation of using bent bar force analysis is that it assumes linear elastic behavior of the material, which may not always be the case in real-world applications. It also assumes that the material is isotropic and homogeneous, which may not be true for all materials. Additionally, the analysis does not take into account the effects of temperature, corrosion, and other environmental factors that may affect the behavior of the bar over time.

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