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. Kg/m^3






2. Length of a wave






3. Work done / heat in






4. 9/5T(C)+32






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






6. 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.






7. Force per unit area






8. Hf






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






10. Voltage / current






11. A disturbance that moves through something






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






13. Voltage / current






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






15. 2 -700 kg/m^3






16. T(C) +273






17. Because nothing stops it






18. Length of a wave






19. The force that brings a system back to equilibrium






20. Heat is transferred directly through a material with no bulk movement of material






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






22. V x A= constant






23. Mass x specific heat x temperature change






24. Speed of light / wavelength






25. Force x lever arm






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






27. Number density x temperature






28. Equals total momentum after collision






29. 25%






30. Wavelength x frequency






31. Hf






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






33. V x A= constant






34. A tendency for liquids to resist flowing.






35.






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






37. P + density x g h






38. Distance traveled / time






39. Work done / heat in






40. ?






41. 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.






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

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43. Current x resistance






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






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






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






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






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






49. 100 -000 n/m^2






50. P x u x A