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EXAM1 study

# EXAM1 study - EXAM 1 REVIEW 1 Answer any question about the...

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EXAM 1 REVIEW 1. Answer any question about the following: Impulse- Change in momentum that is achieved by applying force over a period of time Empirical data- Reason based on experience and observation Geocentrism- longest lasting theory in history of science 1400yrs., by Ptolemy, all planets revolve around the earth, the church liked it, crystal spheres. Machine- Any device used to change the magnitude or direction of a force(makes work easier) logial syllogism- reasons who trush is self evident , a=b,b=c,therefore a=c, by Aristotle, Euclids Axiom. Occams Razor- postulates must not be multiplied without necessity. Given the choice, the simplest solution is most probably correct. Cold- absence of heat (thermal engery) heliocentrism- Sun centered, Copernicus. 1. Earth rotates daily on its axis. 2. revolves around the sun 1 time per year. 3. rotation conical(like a top) null hypothesis- no statistical correlation, negative form of hypothesis. 2. Newton’s three Laws (examples of and equations for each) 1. Law of Motion or Inertia - A moving object will continue in a straight line at a constant speed until unbalanced force. Example Car hitting a wall with an un-belted passenger Equation W=MG 2. Cause & Effect -

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EXAM1 study - EXAM 1 REVIEW 1 Answer any question about the...

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