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. 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.






3. Hf






4. 1 -000 kg/m^3






5. The center of an object






6. 10 m/s^2






7. 1 / period (time)






8. Number density x temperature






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






10. New theory that explained behavior at the atomic level






11. 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).






12. The total disorder of an object






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






14. 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).






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






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






17. Weight of displaced water=volume of displaced water in liters x 10 n / liter






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






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






20. 100 -000 n/m^2






21. 1 -000 kg/m^3






22. 18600 miles/sec






23. V1 x A1=v2 x A2






24. The combination of force and point of application






25. A disturbance that propagates through a medium






26. The energy that flows from one system to another because of their temperature difference.






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






28. Sounds below 30 Hz






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






30. 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.






31. 5/9 [T(F)-32]






32. Sounds above 20 -000 Hz






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






34. F=mass x acceleration

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35. Force x lever arm






36. T(C) +273






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






38. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)






39. Maximum displacement from equilibrium






40. The level stays the same






41. The energy that flows from one system to another because of their temperature difference.






42. V x A= constant






43. Voltage / current






44. Heat into system - work done by system






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






46. T^4






47. Force per unit area






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






49. 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.






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

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