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. Solids - liquids - gases






2. It increases






3. C/n






4. New theory that explained behavior at the atomic level






5. 1 -000 kg/m^3






6. 1.25 kg/m^3






7. Voltage / current






8. Force per unit area






9. 2 -700 kg/m^3






10. 18600 miles/sec






11. Are wider at the base (which lowers their center of gravity)






12. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.






13. C/n






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

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15. C / f






16. Decreases






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






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






19. 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).






20. Current x voltage energy/time (joules per second)






21. Solids - liquids - gases






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






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






24. T(C) +273






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

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26. Sounds above 20 -000 Hz






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






28. The combination of force and point of application






29. Why things move






30. F=mass x acceleration

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31. The center of an object






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






33. Kg/m^3






34. P x u x A






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






36. P x u x A






37. You can't get more work out than the energy you put in






38. Fbottom-Ftop=mg=(density x vol) x g






39. Rod with forces applied at opposite ends in the same direction






40. Force per unit area






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






42. 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.






43. Why things move






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






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






46. V1 x A1=v2 x A2






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






48. Heat is transferred directly through a material with no bulk movement of material






49. The total disorder of an object






50.