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. A disturbance that propagates through a medium






2. Decreases






3. 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.






4. V1 x A1=v2 x A2






5. Because nothing stops it






6. Distance traveled / time






7. Force x lever arm






8. P x u x A






9. 1.25 kg/m^3






10. The heat transfer by electromagnetic waves - thermal light waves






11. V x A= constant






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






13. 25%






14. C/n






15. C / f






16. A tendency for liquids to resist flowing.






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






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






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






20. Z+n






21. Sounds below 30 Hz






22. Force x lever arm






23. It increases






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






25. Net force=0 net torque=0






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






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






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






29. 9/5T(C)+32






30. 2 -700 kg/m^3






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






32. Sounds above 20 -000 Hz






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






34. 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.






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






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






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






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






39. Kg/m^3






40. P x u x A






41. Net force=0 net torque=0






42. The level stays the same






43. 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.






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

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






46. 10 m/s^2






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






48. 9/5T(C)+32






49. F=mass x acceleration

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50. 18600 miles/sec