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. Wavelength x frequency






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






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






5. 18600 miles/sec






6. ?






7. C/n






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






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






10. Kg/m^3






11. Because nothing stops it






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






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

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14. 2p x square root L/g






15. 11 -000 kg/m^3






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






17. The force that brings a system back to equilibrium






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






19. V1 x A1=v2 x A2






20. 10 m/s^2






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






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






23. C/n






24.






25. Length of a wave






26. Hf






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






28. Net force=0 net torque=0






29. Velocity squared / radius






30. Net force=0 net torque=0






31. A tendency for liquids to resist flowing.






32. P + density x g h






33. 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).






34. Initial velocity= the square root of 2gh






35. Length of a wave






36. 2 -700 kg/m^3






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






38. The center of an object






39. Initial velocity = acceleration x time






40. V1 x A1=v2 x A2






41. Force x lever arm






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






43. The force that brings a system back to equilibrium






44. Change in velocity / time






45. The total disorder of an object






46. Solids - liquids - gases






47. Sounds above 20 -000 Hz






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






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






50. T(C) +273