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Forums
Engineering
General Engineering
First moment of area and second moment of area
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[QUOTE="harryiverson, post: 6302351, member: 674032"] i am perplexed as to the first moment of area and second of area; i would like to know 1. why they come (how they are figured out and distinguished from each other) 2. what is meaning of these 2 moment of area in terms of physics what i have learned is that the first moment of area is used to find centroid and the second Of area (Inertia) is to find the resistance in x-y plane to torque in z plane. btw i am also confused as to the idea of polar moment of inertia ; how it is different from the second moment of the inertia. hope there are answers to my stupid questions. i just kind of feel lost. [/QUOTE]
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Forums
Engineering
General Engineering
First moment of area and second moment of area
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