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 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.






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






3. Maximum displacement from equilibrium






4. 11 -000 kg/m^3






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






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






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






8. Voltage / current






9. Pressure x area






10. F=mass x acceleration

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11. 100 -000 n/m^2






12.






13. Length of a wave






14. 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.






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






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






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






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






19. Time required to complete one cycle






20. 11 -000 kg/m^3






21. P + density x g h






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

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23. Change in velocity / time






24. T^4






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






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






27. Distance traveled / time






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






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






30. Decreases






31. The force that brings a system back to equilibrium






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






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






34. Z+n






35. T^4






36. Mass x gravity






37. The force that brings a system back to equilibrium






38. Force x lever arm






39. 25%






40. The combination of force and point of application






41. Work done / heat in






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






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






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






45. Not easy to knock over






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






47. Time required to complete one cycle






48. A tendency for liquids to resist flowing.






49. Wavelength x frequency






50. Number density x temperature