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






2. 25%






3. A tendency for liquids to resist flowing.






4. Not easy to knock over






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






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






7. The center of an object






8. If the CG is above the edge - the object will not fall






9. Maximum displacement from equilibrium






10. Sounds below 30 Hz






11. Change in velocity / time






12. Heat into system - work done by system






13. The effectiveness of a material in conducting heat






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






15.






16. Why things move






17. The heat needed to raise the temperature of 1 pound of water by 1 degree F






18. Distance traveled / time






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






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






21. Decreases






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






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






24. Force x lever arm






25. Current x resistance






26. 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.






27. The heat needed to raise the temperature of 1 pound of water by 1 degree F






28. Kg/m^3






29. 11 -000 kg/m^3






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






31. Distance traveled / time






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






33. 1 -000 kg/m^3






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






35. Wavelength x frequency






36. Mass x velocity






37. Mass x gravity






38. 2p x square root L/g






39. Velocity squared / radius






40. P + density x g h






41. It increases






42. C / f






43. 2p x square root L/g






44. Kg/m^3






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

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46. 9/5T(C)+32






47. Wavelength x frequency






48. P + density x g h






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






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