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Elongation is defined as the length at breaking point expressed as a percentage of its original length (i.e. length at rest). Check FAQs
δl=4WApplied loadLπE(d2)
δl - Elongation?WApplied load - Applied Load?L - Length?E - Young's Modulus?d - Diameter of Shaft?π - Archimedes' constant?

Elongation of Prismatic Rod Example

With values
With units
Only example

Here is how the Elongation of Prismatic Rod equation looks like with Values.

Here is how the Elongation of Prismatic Rod equation looks like with Units.

Here is how the Elongation of Prismatic Rod equation looks like.

0.002Edit=4150Edit3Edit3.141620000Edit(0.12Edit2)
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Elongation of Prismatic Rod Solution

Follow our step by step solution on how to calculate Elongation of Prismatic Rod?

FIRST Step Consider the formula
δl=4WApplied loadLπE(d2)
Next Step Substitute values of Variables
δl=4150kN3mπ20000MPa(0.12m2)
Next Step Substitute values of Constants
δl=4150kN3m3.141620000MPa(0.12m2)
Next Step Convert Units
δl=4150000N3m3.14162E+10Pa(0.12m2)
Next Step Prepare to Evaluate
δl=415000033.14162E+10(0.122)
Next Step Evaluate
δl=0.00198943678864869m
LAST Step Rounding Answer
δl=0.002m

Elongation of Prismatic Rod Formula Elements

Variables
Constants
Elongation
Elongation is defined as the length at breaking point expressed as a percentage of its original length (i.e. length at rest).
Symbol: δl
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Applied Load
Applied Load is a force imposed on an object by a person or another object.
Symbol: WApplied load
Measurement: ForceUnit: kN
Note: Value can be positive or negative.
Length
Length is the measurement or extent of something from end to end.
Symbol: L
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Young's Modulus
Young's Modulus is a mechanical property of linear elastic solid substances. It describes the relationship between longitudinal stress and longitudinal strain.
Symbol: E
Measurement: StressUnit: MPa
Note: Value can be positive or negative.
Diameter of Shaft
The Diameter of Shaft is the diameter of the external surface of a shaft which is a rotating element in the transmitting system for transmitting power.
Symbol: d
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Archimedes' constant
Archimedes' constant is a mathematical constant that represents the ratio of the circumference of a circle to its diameter.
Symbol: π
Value: 3.14159265358979323846264338327950288

Other Formulas to find Elongation

​Go Elongation of Circular Tapering Rod
δl=4WApplied loadLπEd1d2

Other formulas in Circular Tapering Rod category

​Go Load at End with known Extension of Circular Tapering Rod
WApplied load=δl4LπEd1d2
​Go Length of Circular Tapering rod
L=δl4WApplied loadπEd1d2
​Go Diameter at One End of Circular Tapering Rod
d2=4WApplied loadLπEδld1
​Go Diameter at Other End of Circular Tapering Rod
d1=4WApplied loadLπEδld2

How to Evaluate Elongation of Prismatic Rod?

Elongation of Prismatic Rod evaluator uses Elongation = 4*Applied Load*Length/(pi*Young's Modulus*(Diameter of Shaft^2)) to evaluate the Elongation, The Elongation of Prismatic Rod is defined as the change in length of the Rod after application of load. Elongation is denoted by δl symbol.

How to evaluate Elongation of Prismatic Rod using this online evaluator? To use this online evaluator for Elongation of Prismatic Rod, enter Applied Load (WApplied load), Length (L), Young's Modulus (E) & Diameter of Shaft (d) and hit the calculate button.

FAQs on Elongation of Prismatic Rod

What is the formula to find Elongation of Prismatic Rod?
The formula of Elongation of Prismatic Rod is expressed as Elongation = 4*Applied Load*Length/(pi*Young's Modulus*(Diameter of Shaft^2)). Here is an example- 0.001989 = 4*150000*3/(pi*20000000000*(0.12^2)).
How to calculate Elongation of Prismatic Rod?
With Applied Load (WApplied load), Length (L), Young's Modulus (E) & Diameter of Shaft (d) we can find Elongation of Prismatic Rod using the formula - Elongation = 4*Applied Load*Length/(pi*Young's Modulus*(Diameter of Shaft^2)). This formula also uses Archimedes' constant .
What are the other ways to Calculate Elongation?
Here are the different ways to Calculate Elongation-
  • Elongation=4*Applied Load*Length/(pi*Young's Modulus*Diameter1*Diameter2)OpenImg
Can the Elongation of Prismatic Rod be negative?
Yes, the Elongation of Prismatic Rod, measured in Length can be negative.
Which unit is used to measure Elongation of Prismatic Rod?
Elongation of Prismatic Rod is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Elongation of Prismatic Rod can be measured.
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