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Everyday Physics

Subjects : science, literacy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.






2. Pascal (Pa) or pounds per square inch (psi)






3. 1 / period (time)






4. Force x lever arm






5. Not easy to knock over






6. Maximum displacement from equilibrium






7. The total disorder of an object






8. Pressure x area






9. Z+n






10. Mass x gravity






11. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






12. T=2p square root m/k frequency= square root k/m;/2p






13. 1 -000 kg/m^3






14. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






15.






16. 10 m/s^2






17. Time= the square root of 2 x height / acceleration due to gravity






18. V x A= constant






19. Rod with forces applied at opposite ends in opposite directions






20. 1.25 kg/m^3






21. Velocity squared / radius






22. Because nothing stops it






23. How much torque it takes to get an object rotating






24. Number density x temperature






25. Net force=0 net torque=0






26. P(P2-P1)D^4/128Ln n=fluid's viscosity






27. An object that is thrown or struck or shot and then travels under the influence of gravity






28. The sum of the energy of all the molecules in the system






29. T(C) +273






30. The change in internal energy= the heat absorbed- the work done






31. A tendency for liquids to resist flowing.






32. Pascal (Pa) or pounds per square inch (psi)






33. Change in velocity / time






34. The combination of force and point of application






35. Initial velocity = acceleration x time






36. The effectiveness of a material in conducting heat






37. As the speed of a moving fluid increases - the pressure within the fluid decreases

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38. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.






39. C/n






40. 100 -000 n/m^2






41. Believed that the natural state of objects was to be at rest






42. Fbottom=Ftop+mg where mg is the weight of the volume






43. Force per unit area






44. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).






45. The center of an object






46. Work done / heat in






47. C / f






48. Mass x gravity






49. A disturbance that propagates through a medium






50. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)







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