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

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2. Number density x temperature






3.






4. V x A= constant






5. The level stays the same






6. Decreases






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

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






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






10. 9/5T(C)+32






11. V1 x A1=v2 x A2






12. The force that brings a system back to equilibrium






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






14. Kg/m^3






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






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






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






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






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






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






21. 2p x square root L/g






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






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






24. Pressure x area






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






26. 1.25 kg/m^3






27. C / f






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






29. You cant get as much out as you put in






30. Number density x temperature






31. Work done / heat in






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






33. 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.






34. The effectiveness of a material in conducting heat






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






36. 1 / period (time)






37. The combination of force and point of application






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






39. 10 m/s^2






40. 25%






41. You cant get as much out as you put in






42. 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.






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






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






45. 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).






46. 2 -700 kg/m^3






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






48. The total disorder of an object






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






50. Not easy to knock over