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Engineering
Mechanical Engineering
Torque to rotate a object on the ground about its own axis
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[QUOTE="gaz097, post: 6647379, member: 702533"] [B]TL;DR Summary:[/B] Does a equation exist for calculating torque for rotating a object about its cog axis where the only reaction forces are its own weight at a COF. Hi, I have an object sitting on the ground, with a coefficient of friction (COF) of 0.3. Lets say it is a square block, and will rotate on its central axis. How much torque is required to rotate this block? I am ignoring inertia weights as will be rotating very slowly.I can solve my problem by breaking the assumed footprint up into sections (Quadrants) and applying the force to slide the quadrant at its center point at a radius to the original shape, which works in theory but continues to increase in value the more sections it is broken up into and i imagine converging to a value. This sounds like a integral that i have forgotten many years ago. Is this a constant for different COF values, shapes? I assume an equation could exist for different equal shapes of torque, or at least for a circle. [/QUOTE]
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Torque to rotate a object on the ground about its own axis
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