Bioen MT 2 lecture slide notes

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Author:
instanthuman
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288795
Filename:
Bioen MT 2 lecture slide notes
Updated:
2014-11-10 12:53:28
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bioengineering
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Notes from the lecture slides
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  1. is mechanical energy conserved?
    no, because chemical energy conversion is not symmetric nor is efficiency close to perfect
  2. efficiency
    calories/effort?
  3. 3 levers
    Class 1 - (W)(f)(F), Class 2 - (f)(W)(F), Class 3 - (f)(F)(W)
  4. Summing moments
    always only use the component of the force that effects a rotation
  5. Main electrolytes in body fluid
    Na+, Cl-, Mg++, Ca++, K+
  6. Coloumb's law
    F=kq1q2/d^2
  7. Electric field
    F = qE
  8. superposition
    sum of force vectors
  9. ohm's law
    not universal, especially not in living systems
  10. Resistance
    (resistivity)(length)/(area)
  11. circuit analysis basic tenants
    conservation of charge (currents), conservation of energy (voltages)
  12. Op amp assumptions
    input impedance = infinity, output impedance = 0, Vp-Vn = 0
  13. electro-mechanical analogs
    v=iR is equivalent to P=QR

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