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.






2. 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).






3. 1 / period (time)






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






5. V x A= constant






6. Mass x specific heat x temperature change






7. Kg/m^3






8. The total force (positive and negative) acting upon an object






9. 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.






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






11. Work done / heat in






12. Change in velocity / time






13.






14. Why things move






15. 2 -700 kg/m^3






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






17. 1.25 kg/m^3






18. F=mass x acceleration

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






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






21. 10 m/s^2






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






23. The total disorder of an object






24. T^4






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






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






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






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






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






30. 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.






31. C/n






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

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33. Z+n






34. 2p x square root L/g






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






36. The effectiveness of a material in conducting heat






37. 11 -000 kg/m^3






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






39. Sounds below 30 Hz






40. Distance traveled / time






41. Decreases






42. Pressure x area






43. P x u x A






44. 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.






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






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






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






48. Why things move






49. Believed that the natural state of objects was to be at rest






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