How could you increase the moment of inertia of a beam without increasing its cross sectional area?

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Thunder Thighs

Physics

15 February, 18:50

How could you increase the moment of inertia of a beam without increasing its cross sectional area?

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Gerald Rollins · Answer 1

You can increase the moment of inertia of a beam without increasing its cross sectional area by making the beam more solid by using more material or material with a higher density. Also, you could deflate the air out of it so it has less tendency to rise with hot air currents.