For locating the position of the centre of gravity of an area of unsymmetrical shape, it is first divided into a number of ______________ of symmetrical shapes.(a) smaller areas(b) larger areas(c) identical areas(d) same areasThe question was posed to me in an interview for job.My enquiry is from Centres of Gravity and Moments of Inertia of Area in section Development of Surfaces, Isometric Projections, Perspective Projections & Transformation of Projections of Civil Engineering Drawing

For locating the position of the centre of gravity of an area of unsym

1.	For locating the position of the centre of gravity of an area of unsymmetrical shape, it is first divided into a number of ______________ of symmetrical shapes.(a) smaller areas(b) larger areas(c) identical areas(d) same areasThe question was posed to me in an interview for job.My enquiry is from Centres of Gravity and Moments of Inertia of Area in section Development of Surfaces, Isometric Projections, Perspective Projections & Transformation of Projections of Civil Engineering Drawing
Answer» The correct option is (a) smaller areas The explanation is: For locating the position of the centre of gravity of an area of unsymmetrical SHAPE, it is first divided into a number of Smaller areas of symmetrical shapes such as triangle, squares, rectangles, TRAPEZOIDS ETC. so that the centre of gravity of each such area is EASILY determined. Each small area is then treated as a force proportional to the area and acting at the centre of gravity of the area.

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