A hexagonal pyramid, base 30mm side and height 75mm long, is resting with its base on HP with one of the base edges perpendicular to VP. It is cut by an AIP inclined at 60° to HP which bisects the axis. Draw its sectional top view, and true shape of the section.

A hexagonal pyramid, base 30mm side and height 75mm long, is resting with its base on HP with one of the base edges perpendicular to VP. It is cut by an AIP inclined at 60° to HP which bisects the axis. Draw its sectional top view, and true shape of the section.

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter8: Centroids And Distributed Loads

Section: Chapter Questions

Problem 8.131RP: Using the method of composite areas, find the centroid of the truncated parabolic complement.

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Concept explainers

Center of Gravity and Centroid

The term center of gravity indicates the position or location of a point about which the whole weight of a body or system is supposed to be concentrated, which means the whole weight of the body or system works through this point. It is closely related to mass distribution. For all positions of the body, the center of gravity would be a single point.

Question

A hexagonal pyramid, base 30mm side and height 75mm long, is resting with its base on
HP with one of the base edges perpendicular to VP. It is cut by an AIP inclined at 60° to
HP which bisects the axis. Draw its sectional top view, and true shape of the section.

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VIEW

Step 1: Sketching the outline with its Initial conditions

VIEW

Step 2: Sectional Top view

VIEW

Step 3 : True shape of the section

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