PURPOSE: To develop three-dimensional perception skills by visualizing three-dimensional figures.
DESCRIPTION: What solid object has circles as its front and side views, as shown below, but its top view is not a circle? Note that this is a proper mechanical drawing of the object.
Move mouse over image to see all three views
SUGGESTIONS: See Question of the Week #33 for information on using this demonstration to enhance class involvement.
REFERENCES: (PIRA unknown)
EQUIPMENT: Full mechanical drawing, actual machined piece.
SETUP TIME: None.
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