Test your basic knowledge |

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






2. A tendency for liquids to resist flowing.






3. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +

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4. 11 -000 kg/m^3






5. The energy that flows from one system to another because of their temperature difference.






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






7. The total disorder of an object






8. The efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.






9. The heat transfer by electromagnetic waves - thermal light waves






10. P + density x g h






11. Work done / heat in






12. Why things move






13. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)






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






15. Speed of light / wavelength






16. Number density x temperature






17. 5/9 [T(F)-32]






18. The force that brings a system back to equilibrium






19. Z+n






20. T(C) +273






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






22.






23. Maximum displacement from equilibrium






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






25. Force per unit area






26. 2 -700 kg/m^3






27. 1 -000 kg/m^3






28. 10 m/s^2






29. The total force (positive and negative) acting upon an object






30. 25%






31. 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.






32. T(C) +273






33. Sounds above 20 -000 Hz






34. 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).






35. Heat is carried from place to place by the bulk movement of either liquids or gasses






36. The effectiveness of a material in conducting heat






37. A disturbance that propagates through a medium






38. Time required to complete one cycle






39. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.






40. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.






41. The center of an object






42. Weight of displaced water=volume of displaced water in liters x 10 n / liter






43. The study of heat and its transformation into mechanical energy






44. 100 -000 n/m^2






45. Wavelength x frequency






46. Force x lever arm






47. Solids - liquids - gases






48. Maximum displacement from equilibrium






49. Hf






50. Wavelength x frequency







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