The equilateral triangular lamina A B C is placed parallel to the H. P. and having the following data: - A=(2, 3), B=(7, 3) left of A. The distance of projectors between A and B = 12 cms. The lamina having a central equilateral hole whose area = 1/4 the area of the lamina ( the sides of the hole being parallel to those of the lamina ) . Required: - (i) Find the side - length of the lamina and that of the hole. (ii) Draw, scale 1:1, the ELEVATION & PLAN of the lamina. AUXILIARY PLANE perpendicular to the V.

The equilateral triangular lamina A B C is placed parallel to the H. P. and having the following data: - A=(2, 3), B=(7, 3) left of A. The distance of projectors between A and B = 12 cms. The lamina having a central equilateral hole whose area = 1/4 the area of the lamina ( the sides of the hole being parallel to those of the lamina ) . Required: - (i) Find the side - length of the lamina and that of the hole. (ii) Draw, scale 1:1, the ELEVATION & PLAN of the lamina. AUXILIARY PLANE perpendicular to the V.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.34P: Use integration to verify the formula given in Table 9.2 for Ixy of a half parabolic complement.

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