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. Sounds above 20 -000 Hz






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






3. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.






4. T^4






5. Heat into system - work done by system






6. Force x lever arm






7. 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).






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






9. V x A= constant






10. Change in velocity / time






11. Because nothing stops it






12. Hf






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






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






15. P x u x A






16. Equals total momentum after collision






17. 1 -000 kg/m^3






18. F=mass x acceleration

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






20. Decreases






21. Wavelength x frequency






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






23. C/n






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






25. 1.25 kg/m^3






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






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






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






29. Length of a wave






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






31. Pressure x area






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






33. The force that brings a system back to equilibrium






34.






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






36. Force x lever arm






37. Velocity squared / radius






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






39. Mass x specific heat x temperature change






40. Mass x specific heat x temperature change






41. Net force=0 net torque=0






42. Equals total momentum after collision






43. New theory that explained behavior at the atomic level






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






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






46.






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






48. A tendency for liquids to resist flowing.






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






50. Number density x temperature







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Can you answer 50 questions in 15 minutes?


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