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. The effectiveness of a material in conducting heat






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






3. Pressure x area






4. Velocity squared / radius






5. 1 -000 kg/m^3






6. The level stays the same






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






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






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






10. 1 -000 kg/m^3






11. Wavelength x frequency






12. Hf






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






14. Sounds below 30 Hz






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






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






17. C / f






18. 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).






19. 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.






20. A tendency for liquids to resist flowing.






21. Current x resistance






22. 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.






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






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






25. 18600 miles/sec






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

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27. 10 m/s^2






28. Force x lever arm






29. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s






30. Decreases






31. 2 -700 kg/m^3






32. Initial velocity = acceleration x time






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






34. 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.






35. Because nothing stops it






36. Z+n






37. Maximum displacement from equilibrium






38. Force per unit area






39. Number density x temperature






40. Kg/m^3






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






42. 10 m/s^2






43. Distance traveled / time






44. Decreases






45. Wavelength x frequency






46. Equals total momentum after collision






47. C / f






48. The level stays the same






49. A disturbance that moves through something






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