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. 25%






2. Force per unit area






3. Hf






4. A disturbance that moves through something






5. V1 x A1=v2 x A2






6. Speed of light / wavelength






7. ?






8. Rod with forces applied at opposite ends in opposite directions






9. Because nothing stops it






10. 5/9 [T(F)-32]






11. Decreases






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






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

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14. Initial velocity= the square root of 2gh






15. Time required to complete one cycle






16. Force x lever arm






17. Mass x specific heat x temperature change






18. 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.






19. Initial velocity = acceleration x time






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






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






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






23. The level stays the same






24. Sounds above 20 -000 Hz






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






26. Hf






27. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)






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






29.






30. 1 / period (time)






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






32. V x A= constant






33. 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.






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






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






36. 9/5T(C)+32






37. Length of a wave






38. 10 m/s^2






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

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40. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






41. V1 x A1=v2 x A2






42. Equals total momentum after collision






43. Not easy to knock over






44. P + density x g h






45. Pressure x area






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






47. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






48. 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.






49. Heat into system - work done by system






50. 25%