Polar Moment of Inertia Explained

An object’s polar moment of inertia is its ability to resist deflection due to an applied torque. It is largely based on the cross-section of an object along the axis to which torque is applied. ContentsHow Do You Calculate the Polar Moment of Inertia?Solid Circular Cross Section Polar Moment of InertiaHollow Circular Cross Section Polar …

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Calculate Slope in Excel

It’s easy to calculate a slope in Excel using the SLOPE function, but it’s also possible to use chart trendlines and simple arithmetic as well. This article will show you how to do all three, so keep reading! ContentsCalculate Slope in Excel with the SLOPE FunctionExcel SLOPE Function Formula: How to Calculate Slope in Excel …

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MMULT Excel Function for Matrix Multiplication

Since a worksheet is essentially a gigantic matrix, it’s no surprise that matrix multiplication in Excel is super easy – we just need to use the MMULT Excel function. ContentsMatrix Multiplication with the MMULT Excel functionMatrix Multiplication RulesExcel Matrix Multiplication ExamplesMatrix Multiplication as an Array Function (All Versions of Excel)Matrix Multiplication as a Dynamic Array …

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Compared: A307 vs. A325

Metal bolts are found in almost every steel structure today, holding our buildings, bridges, railways and so much more together. Not all bolts are created equal, however. Different bolts will serve different purposes and be more useful than others as structures are subjected to varying loads. We’ll look at a few comparisons between two very …

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Can Turbulent Flow Be Steady?

Inherently, turbulent flow will always be unsteady. It has random fluctuations in speed, kinetic energy, temperature and more, that make perfectly tracking it an impossible task. However, with that said, turbulent flow may be considered statistically steady in practice, for certain flow situations. ContentsIs Turbulent Flow Steady or Unsteady?Is Turbulent Flow Stable?Reynolds Number ExplainedCan Turbulent …

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