The polar section modulus (also called section modulus of torsion), Zp, for circular sections may be found by dividing the polar moment of inertia, J, by the distance c from the center of gravity to the most remote fiber. This method may be used to find the approximate value of the pol...
Related:Polar Area Moment of Inertia and Section Modulus. Mass Moments of Inertia, JM. formulas for mass moment of inertia of various solids are given below. Example, Polar Mass Moment of Inertia of a Hollow Circular Section: A strip of width dr on a hollow circular section, whose inner ra...
1). Differences in the maximum rate and duration of TPW imply dramatically different geodynamical conditions in the mantle and the lithosphere and/or different shapes of Earth’s nonequilibrium figure7. Fig. 1: Apparent polar wander paths (APWPs) showing possible Late Jurassic TPW. a Contrasting...