Exploring the Relationship between Cantilever Length and Vertical Deflection

In summary, the conversation discusses finding a relationship between the horizontal length of a cantilever and the vertical deflection caused by a fixed mass. The independent variable is the cantilever length and the dependent variable is the vertical deflection. The speaker has done research but found no suitable solutions and is seeking help. The assignment involves applying a formula and verifying the relationship through an experiment, possibly involving a shear modulus. The mass of the cantilever beam is negligible.
  • #1
fangoro
2
0
I was to find a relationship between the horizontal length of the cantilever and the vertical deflection when a fixed mass acts on the end of it. So the independent variable is the length of the cantilever and the dependent variable is the vertical deflection i.e. vertical distance. I've been doing quite some research regarding the question but found no solutions that quite fit the the assignment. I was wondering if any of you could help me out? The application of the formula(if there is one) will be carried out by me. Thanks in advance!

Fangoro
 
Physics news on Phys.org
  • #3
Is this assignment intended to have you find a formula to apply? Or is this an assignment to find the relationship experimentally? I ask this because this is a common experimental assignment.

THe formula has to do with something called a "shear modulus."
 
  • #4
The mass of the beam is negligible. I guess our teacher's expectations of us was to find a relationship and then to verify it by means of an experiment.
 

1. What is cantilever deflection?

Cantilever deflection is the amount of bending or displacement that occurs in a cantilever beam when a load is applied to it. It is a measure of how much the beam will bend or deform under the applied load.

2. What factors affect cantilever deflection?

The amount of cantilever deflection is influenced by several factors, including the magnitude and location of the applied load, the material properties of the beam (such as its stiffness and strength), and the length and cross-sectional shape of the beam.

3. How is cantilever deflection calculated?

Cantilever deflection can be calculated using the basic equation: D = (PL^3)/(3EI), where D is the deflection, P is the applied load, L is the length of the beam, E is the modulus of elasticity of the material, and I is the moment of inertia of the beam's cross-section.

4. What are some real-world applications of cantilever deflection?

Cantilever deflection is an important concept in engineering and design, and it has many practical applications. For example, it is used in the design of bridges, buildings, and other structures to ensure that they can support the loads placed on them without excessive bending or deformation.

5. How can cantilever deflection be minimized?

To minimize cantilever deflection, engineers can use a combination of strategies such as increasing the stiffness and strength of the beam, reducing the applied load, and modifying the beam's shape and length. In some cases, additional support structures or bracing may also be used to reduce deflection.

Similar threads

  • Engineering and Comp Sci Homework Help
Replies
1
Views
3K
Replies
4
Views
657
  • Engineering and Comp Sci Homework Help
Replies
1
Views
864
  • Introductory Physics Homework Help
Replies
5
Views
12K
  • Mechanical Engineering
Replies
4
Views
12K
  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
5
Views
810
  • Introductory Physics Homework Help
Replies
4
Views
4K
  • Introductory Physics Homework Help
Replies
9
Views
8K
  • Introductory Physics Homework Help
Replies
7
Views
2K
Back
Top