How is Stress and Strain Calculated in a Towing Bar?

  • Thread starter Thread starter cjmonedogg
  • Start date Start date
AI Thread Summary
To calculate the stress in a towing bar with a diameter of 15mm and a maximum car weight of 3000kg, the area is determined using the formula Area = π x r², where the radius is 7.5mm. The stress is then calculated using the formula Stress = Force/Area. Additionally, the strain is defined as the amount of deformation experienced by the bar, expressed as a percentage of its original length, which in this case is 0.2%. The relationship between stress and strain is governed by material properties, typically described by Hooke's Law for elastic materials. Understanding these calculations is essential for ensuring the towing bar can safely handle the applied loads.
cjmonedogg
Messages
1
Reaction score
0

Homework Statement


Towing bar diameter = 15mm
Max car weight = 3000kg
length of bar = 2.5m

trying to calculate the stress in the bar

and the strain if stretched by 0.2 %

Homework Equations



Stress=Force/Area
[/B]

The Attempt at a Solution



Area=(pie)x r(squared)

r=diameter/2
r=7.5
area=(pie) x 7.5mm(squared)
[/B]
 
Physics news on Phys.org
What is the definition of strain?
How is stress and strain related?
 

Similar threads

Engineering Calculating stress and strain in complex loading scenario
Replies
3
Views
2K
How Does Biaxial Force Affect Stress and Strain in a Rectangular Bar?
Replies
1
Views
2K
Strain and Stress in Thin-Walled Hoops Under Pressure
Replies
9
Views
4K
Stress & Strain: Calculate Forces, Diameters & Lengths
Replies
3
Views
5K
Need help understanding this Stress/Strain equation
Replies
6
Views
2K
The strain of a dog-bone specimen
Replies
2
Views
6K
Calculating stress and strains for beam of applied force
Replies
1
Views
2K
Find Axial Force P: Stress Concentration Homework
Replies
5
Views
2K
What is the Minimum Width of a Structural Steel Bar with Applied Axial Forces?
Replies
6
Views
2K
Calculations for a lifting tool for a bar
Replies
6
Views
2K

Hot Threads

Recent Insights

Back
Top