Кутуков Б.Н. 1990 Задача 4 вариант 031

Task 4 Geometric characteristics. For a given cross-section, consisting of a channel and an isosceles angle, or of an I-beam and an isosceles angle, or a channel and an I-beam, it is required to: 1) determine the position of the center of gravity; 2) find the axial and centrifugal moments of inertia relative to random axes passing through the center of gravity; 3) determine the direction of the main central axes; 4) find the moments of inertia about the main central axes; 5) draw a section on a scale of 1: 2.
GIVEN: Channel # 36; Corner number 9; 90 × 90 × 8. Scheme 1

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