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






2. 5/9 [T(F)-32]






3. Change in velocity / time






4. Sounds above 20 -000 Hz






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






6. Force per unit area






7. 10 m/s^2






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






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






10. Speed of light / wavelength






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






12. 2p x square root L/g






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






14. The effectiveness of a material in conducting heat






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






16. P + density x g h






17. 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.






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

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19. 2p x square root L/g






20. Not easy to knock over






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






22. The level stays the same






23. Mass x velocity






24. 18600 miles/sec






25. C / f






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






27. Change in velocity / time






28. 1.25 kg/m^3






29. A disturbance that moves through something






30. Mass x gravity






31.






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






33. Solids - liquids - gases






34. The combination of force and point of application






35. F=mass x acceleration

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






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






38. Hf






39. Mass x specific heat x temperature change






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






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






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






43. Solids - liquids - gases






44. Decreases






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






46. 1 / period (time)






47. A tendency for liquids to resist flowing.






48. Sounds above 20 -000 Hz






49. 1.25 kg/m^3






50. Sounds below 30 Hz