Area Moment of Inertia of rod or shaft in Machine Design Formulas

Area Moment of Inertia of rod or shaft is the measure of the resistance of a rod’s or shaft’s to angular acceleration about a given axis without considering mass. And is denoted by I. Area Moment of Inertia of rod or shaft is usually measured using the Millimeter⁴ for Second Moment of Area. Note that the value of Area Moment of Inertia of rod or shaft is always positive.

Formulas to find Area Moment of Inertia of rod or shaft in Machine Design

fxMoment of Inertia of Shaft when Strain Energy Stored in Shaft Subjected to Bending MomentGo

Machine Design formulas that make use of Area Moment of Inertia of rod or shaft

fxStrain Energy Stored in Rod Subjected to Bending MomentGo

fxLength of Shaft given Strain Energy Stored in Shaft Subjected to Bending MomentGo

fxModulus of Elasticity given Strain Energy Stored in Shaft Subjected to Bending MomentGo

List of variables in Machine Design formulas

fx Bending Moment in Shaft or Beam Go

fx Length of Rod or Shaft Go

fx Modulus of elasticity of rod or shaft Go

fx Strain Energy in Rod or Shaft Go

FAQ

What is the Area Moment of Inertia of rod or shaft?

Area Moment of Inertia of rod or shaft is the measure of the resistance of a rod’s or shaft’s to angular acceleration about a given axis without considering mass. Area Moment of Inertia of rod or shaft is usually measured using the Millimeter⁴ for Second Moment of Area. Note that the value of Area Moment of Inertia of rod or shaft is always positive.

Can the Area Moment of Inertia of rod or shaft be negative?

No, the Area Moment of Inertia of rod or shaft, measured in Second Moment of Area cannot be negative.

What unit is used to measure Area Moment of Inertia of rod or shaft?

Area Moment of Inertia of rod or shaft is usually measured using the Millimeter⁴[mm⁴] for Second Moment of Area. Meter⁴[mm⁴], Centimeter⁴[mm⁴] are the few other units in which Area Moment of Inertia of rod or shaft can be measured.

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