Term
How do we describe earth?
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Definition
| Earth is a system that consist of linked components |
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Term
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Definition
| Objects that are distinct from other objects |
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Distinctions between components are _____________?
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Definition
Subjective
ex: is there a defined break between nose and face? |
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Can comonents contain other components?
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Definition
Yes.
ex: earth is a component of the solar system yet it constains individual components with in it |
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Definition
A components attribute
ex: how will we mesure the component |
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| What does a system consist of? |
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Definition
2 components which are linked
occurs because one affects the other component
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Definition
This disturbs the state of a component.
ex: A crooked nose after being broken |
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Term
| What does a systems diagram use to show linkage? |
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Definition
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Definition
When changing one state affects the state of another component
ex: change in temp affects the temp of my nose |
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Term
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Definition
| increse in one component increases the other component or a decrease of one decreases the other |
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Term
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Definition
| an increase in one component decreases the other |
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Term
| What example did professor larsen use in class for couplings? |
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Definition
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Term
| When does a feedback system occur? |
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Definition
| This occurs when the components of a system are linked in a circular manner |
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Term
What does an arrow represent?
an open circle? |
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Definition
Arrow shows positive coupling
circle shows negative coupling |
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Term
| Negative feedback systems |
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Definition
| two or more components are coupled in a liip and there is an odd number of negative couplings |
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Term
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Definition
| if two or more componets are coupled in a loop, and they are either all positive or an even umber of positive and negative couplings |
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Term
| Equillibrium state of attribute |
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Definition
| states that ten to be maintianed over time |
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Term
Stable Equlibrium States
SES |
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Definition
this is a state that is maintained even after pertubation
Ex: ball in a valley if it is pushed up hill it will everntually return back to its SES |
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Term
Unstable Equilibrium States
UES |
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Definition
this is a state lost after pertubation
Ex: ball on a peak if it is hit it will not return back to the peak... it will have gone from SES on the peak to SES in the valley... in reality it is UES |
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Term
| How do you Graph these relationships? |
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Definition
showing relations between states of two components
independent varialbe (cause) on X axis
Dependent (effect) on Y axis |
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Term
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Definition
| as the independent increases the dependent increases as well |
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Term
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Definition
| as the independent increases the dependent decreases |
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Term
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Definition
Strong positive to weak positive
equilibrium
weak negative
strong negative
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Term
| What example did Professor Larsen use to describe parabolic relationships? |
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Definition
| Plant growth and the amount of water in the soil.. the pertubation: adding or decreasing water supply affects the height to much water it dies to little it dies it is perfect at equilibrium or the peak of the parabolic graph |
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