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






2. Force per unit area






3. F=mass x acceleration

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4. Because nothing stops it






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






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






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






8. C/n






9. Mass x specific heat x temperature change






10. Z+n






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






12. The total disorder of an object






13. Current x resistance






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






15.






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






17. 11 -000 kg/m^3






18. Length of a wave






19. Not easy to knock over






20. Net force=0 net torque=0






21. Hf






22.






23. 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.






24. Kg/m^3






25. Work done / heat in






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






27. A tendency for liquids to resist flowing.






28. ?






29. The combination of force and point of application






30. 18600 miles/sec






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






32. Time required to complete one cycle






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






34. Kg/m^3






35. Sounds below 30 Hz






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

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37. It increases






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






39. 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).






40. 10 m/s^2






41. ?






42. Initial velocity= the square root of 2gh






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






44. The level stays the same






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






46. Initial velocity = acceleration x time






47. V1 x A1=v2 x A2






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






49. T(C) +273






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

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