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# Structures

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for this video we're going to go over
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the different classifications of
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structures so when we're investigating
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structures not only are we going to be
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thinking about the form and the function
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but also how to classify it so the first
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classification is solid now a solid
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structure appears to be a solid piece of
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construction the example that I'm going
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to use is a damn if we think about the
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Hoover Dam it seems to be a solid piece
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not a combination of parts making up
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that structure frame a frame is it the
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structure is one that has several parts
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working together or a skeleton parts put
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together that support each other I'm
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using an example of a we see them in
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downtown Toronto those buildings that
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are made it appears like they're made
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just of windows so they would have a
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frame and then they would have all of
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these windows so all of these parts make
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up a structure and they all have to work
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together to support each other there
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isn't one part in this structure that's
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supporting all of it so all the parts
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don't work together the structure could
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have damaged or could not hold its load
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or could simply fall down the next
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classification is a shell structure so
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this is a structure that has a curve to
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it and has a sort of a hollowed part to
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it be 50 but an egg if you think about a
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bicycle helmet these are considered
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shell structures and then there is
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combination structures and the best
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example is a human body yes that is a
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human body if you think about our skull
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it is a shell structure it has a curved
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appearance and it's hollowed on the
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inside for for great support the bone in
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our leg the femur could be considered a
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solid structure because it appears like
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it's just one solid piece of bone and
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the entire skeleton together is a
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skeleton or a frame structure so those
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are the classifications of structures

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