Moments of area circle
20.2
Eqn. 1
Eqn. 2
Eqn. 3
Eqn. 4
| Cross sectional area | A | = | mm2 | ||
| Moment of area | I | = | cm4 | ||
| Radius of gyration | i | = | mm | ||
| Moment of resistance | W | = | mm3 |
| Circle diameter | d | = | mm |
Calc 1
Moments of area of a circle
Example I A circular cross-section with a diameter of 25 mm has a cross-sectional area of 491 mm2, a moment of area of 19,175 mm 4 and a radius of inertia of 6.2 mm.