fundies-ch1 - PHYSICAL CONCEPTS Number issues Physical...

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PHYSICAL CONCEPTS Number issues Physical Quantities Force/Friction/Energy/Work, etc. Simple harmonic motion Vibration: Free and Forced Impedance
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Scientific Notation number between 1.00 and 9.99 times 10 raised to some power E.G., 1492 becomes 1.492 x 10 3 1.492 is called the COEFFICIENT
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Multiplying numbers in Sci. Not. Multiply coefficients sum powers of 10 E.G. 2.3 x 10 2 x 4x10 3 = (2.3 x 4) x 10 (2+3) = 9.2 x 10 5
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Dividing in Sci. Not. Divide Coefficients Subtract Powers of 10 Read More About Exponents in Appendix A
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Quantities Come in 2 Flavors: Scalar Quantities magnitude only Vectorial or Vector Quantities magnitude AND direction
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Scalar Quantities Have magnitude only Examples include Mass, Length, Volume Can be added or subtracted directly
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Vector Quantities Have BOTH magnitude and direction Example: Velocity Combining Vectors is more complicated
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Basic Units Length Time Mass (Charge)
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Other Units may be derived: Area = Length x Length (or L 2 ) Volume = L 3 Speed = Length/Time Acceleration = L/T 2
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Force: A push or a pull Force = Acceleration x mass Therefore Force = ML/T 2 MKS force unit is Newton = 1 kg m/s 2 cgs unit is dyne = 1 g cm/s 2
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Force and Elasticity Hooke’s Law: Force = (-)spring constant times displacement
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This note was uploaded on 08/23/2011 for the course SPA 3032 taught by Professor Gerhardt during the Spring '08 term at University of Florida.

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fundies-ch1 - PHYSICAL CONCEPTS Number issues Physical...

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