Fx Copy
LaTeX Copy
Polar Moment of Inertia of Shaft is a measure of an object's resistance to changes in its rotation, important in dynamometer applications. Check FAQs
J=π32(do4-di4)
J - Polar Moment of Inertia of Shaft?do - Shaft Outer Diameter?di - Shaft Inner Diameter?π - Archimedes' constant?

Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer Example

With values
With units
Only example

Here is how the Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer equation looks like with Values.

Here is how the Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer equation looks like with Units.

Here is how the Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer equation looks like.

0.0909Edit=3.141632(1.85Edit4-1.8123Edit4)
You are here -
HomeIcon Home » Category Physics » Category Mechanical » Category Theory of Machine » fx Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer

Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer Solution

Follow our step by step solution on how to calculate Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer?

FIRST Step Consider the formula
J=π32(do4-di4)
Next Step Substitute values of Variables
J=π32(1.85m4-1.8123m4)
Next Step Substitute values of Constants
J=3.141632(1.85m4-1.8123m4)
Next Step Prepare to Evaluate
J=3.141632(1.854-1.81234)
Next Step Evaluate
J=0.0909115408700991m⁴
LAST Step Rounding Answer
J=0.0909m⁴

Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer Formula Elements

Variables
Constants
Polar Moment of Inertia of Shaft
Polar Moment of Inertia of Shaft is a measure of an object's resistance to changes in its rotation, important in dynamometer applications.
Symbol: J
Measurement: Second Moment of AreaUnit: m⁴
Note: Value should be greater than 0.
Shaft Outer Diameter
Shaft Outer Diameter is the outer diameter of the shaft in a dynamometer, which measures the torque and rotational speed of an engine or other machine.
Symbol: do
Measurement: LengthUnit: m
Note: Value should be greater than 0.
Shaft Inner Diameter
Shaft Inner Diameter is the internal diameter of the shaft in a dynamometer, which measures the torque and rotational speed of an engine or other machine.
Symbol: di
Measurement: LengthUnit: m
Note: Value should be greater than 0.
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 Polar Moment of Inertia of Shaft

​Go Polar Moment of Inertia of Shaft for Torsion Dynamometer
J=TLshaftGθ
​Go Polar Moment of Inertia of Shaft for Solid Shaft for Torsion Dynamometer
J=π32Dshaft4

Other formulas in Dynamometer category

​Go Constant for Particular Shaft for Torsion Dynamometer
k=GJLshaft
​Go Distance Moved in One Revolution by Rope Brake Dynamometer
d=π(Dwheel+drope)
​Go Load on Brake for Rope Brake Dynamometer
W=Wdead-S
​Go Tangential Effort for Epicyclic-Train Dynamometer
Pt=WendLhorizontal2agear

How to Evaluate Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer?

Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer evaluator uses Polar Moment of Inertia of Shaft = pi/32*(Shaft Outer Diameter^4-Shaft Inner Diameter^4) to evaluate the Polar Moment of Inertia of Shaft, Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer formula is defined as a measure of the shaft's resistance to twisting or torsion, which is crucial in determining the shaft's ability to withstand torsional loads and stresses in a dynamometer. Polar Moment of Inertia of Shaft is denoted by J symbol.

How to evaluate Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer using this online evaluator? To use this online evaluator for Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer, enter Shaft Outer Diameter (do) & Shaft Inner Diameter (di) and hit the calculate button.

FAQs on Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer

What is the formula to find Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer?
The formula of Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer is expressed as Polar Moment of Inertia of Shaft = pi/32*(Shaft Outer Diameter^4-Shaft Inner Diameter^4). Here is an example- 0.902524 = pi/32*(1.85^4-1.8123^4).
How to calculate Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer?
With Shaft Outer Diameter (do) & Shaft Inner Diameter (di) we can find Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer using the formula - Polar Moment of Inertia of Shaft = pi/32*(Shaft Outer Diameter^4-Shaft Inner Diameter^4). This formula also uses Archimedes' constant .
What are the other ways to Calculate Polar Moment of Inertia of Shaft?
Here are the different ways to Calculate Polar Moment of Inertia of Shaft-
  • Polar Moment of Inertia of Shaft=(Total Torque*Shaft Length)/(Modulus of Rigidity*Angle of Twist)OpenImg
  • Polar Moment of Inertia of Shaft=pi/32*Shaft Diameter^4OpenImg
Can the Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer be negative?
No, the Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer, measured in Second Moment of Area cannot be negative.
Which unit is used to measure Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer?
Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer is usually measured using the Meter⁴[m⁴] for Second Moment of Area. Centimeter⁴[m⁴], Millimeter⁴[m⁴] are the few other units in which Polar Moment of Inertia of Shaft for Hollow Shaft for Torsion Dynamometer can be measured.
Copied!