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. Maximum displacement from equilibrium






2. A tendency for liquids to resist flowing.






3. Mass x gravity






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






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






6. Kg/m^3






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






8. T(C) +273






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






10. Heat Q= mass of sample x specific heat x temp change






11.






12. 2p x square root L/g






13. 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.






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






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

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16. V x A= constant






17. Force per unit area






18. 1.25 kg/m^3






19. The total disorder of an object






20. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






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






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






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






24.






25. 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.






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

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27. Length of a wave






28. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






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






30. Solids - liquids - gases






31. P + density x g h






32. T^4






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






34. Decreases






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






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






37. 1 / period (time)






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






39. Mass x specific heat x temperature change






40. Sounds below 30 Hz






41. Voltage / current






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






43. 5/9 [T(F)-32]






44. Not easy to knock over






45. A disturbance that moves through something






46. It increases






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






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






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






50. The center of an object