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. Mass x velocity






2. A disturbance that propagates through a medium






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






4. 18600 miles/sec






5. 1 / period (time)






6. Sounds above 20 -000 Hz






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






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






9. Work done / heat in






10. Hf






11. T^4






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






13. Not easy to knock over






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






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






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






17. Why things move






18. The effectiveness of a material in conducting heat






19. P x u x A






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






21. T^4






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






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






24. 1 / period (time)






25. 5/9 [T(F)-32]






26. 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.






27. Wavelength x frequency






28. 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.






29. V1 x A1=v2 x A2






30. Force x lever arm






31. V x A= constant






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






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






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

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36. The combination of force and point of application






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






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






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






40. Decreases






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






42. The force that brings a system back to equilibrium






43. Change in velocity / time






44. A disturbance that propagates through a medium






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






46. Initial velocity = acceleration x time






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






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






49. The level stays the same






50. P + density x g h