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 change in internal energy= the heat absorbed- the work done






2. Wavelength x frequency






3. 11 -000 kg/m^3






4. Z+n






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






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






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

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8. Sounds above 20 -000 Hz






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






10. 1 / period (time)






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






12. It increases






13. C/n






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






15. 2p x square root L/g






16. 2 -700 kg/m^3






17. V1 x A1=v2 x A2






18. It increases






19. Distance traveled / time






20. Initial velocity = acceleration x time






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






22. Because nothing stops it






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






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






25. The total disorder of an object






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






27. Wavelength x frequency






28. Decreases






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






30. The effectiveness of a material in conducting heat






31. C / f






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






33. T^4






34. Hf






35. New theory that explained behavior at the atomic level






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






37. Kg/m^3






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






39. Heat into system - work done by system






40. 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.






41. F=mass x acceleration

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






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






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






45. P + density x g h






46. Voltage / current






47. 100 -000 n/m^2






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






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






50. Mass x specific heat x temperature change