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. 1.25 kg/m^3






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

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






4. 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).






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






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






7.






8. Force per unit area






9. Number density x temperature






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






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






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






13. V1 x A1=v2 x A2






14. The total disorder of an object






15. P x u x A






16. A tendency for liquids to resist flowing.






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






18. Pressure x area






19. 25%






20. 10 m/s^2






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






22. Heat into system - work done by system






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

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






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

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26. A disturbance that propagates through a medium






27. Net force=0 net torque=0






28. Hf






29. Speed of light / wavelength






30. 1 / period (time)






31. F=mass x acceleration

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32. Force x lever arm






33. 10 m/s^2






34. The combination of force and point of application






35. Decreases






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






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






38. Change in velocity / time






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






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






41. 2p x square root L/g






42. Sounds above 20 -000 Hz






43.






44. 9/5T(C)+32






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






46. Z+n






47. Maximum displacement from equilibrium






48. T(C) +273






49. Why things move






50. Change in velocity / time