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






2. The force that brings a system back to equilibrium






3. 100 -000 n/m^2






4. A disturbance that moves through something






5. Current x resistance






6. 100 -000 n/m^2






7. 1 / period (time)






8. 25%






9. Mass x velocity






10. Solids - liquids - gases






11. New theory that explained behavior at the atomic level






12. Distance traveled / time






13. 11 -000 kg/m^3






14. T(C) +273






15. The combination of force and point of application






16. P + density x g h






17. T(C) +273






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






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






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






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






22. F=mass x acceleration

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23. Pressure x area






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

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25. 2p x square root L/g






26. The effectiveness of a material in conducting heat






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






28. 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.






29. Force per unit area






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






31. Not easy to knock over






32. Work done / heat in






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






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






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






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






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






38. Mass x gravity






39. Why things move






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






41. 1.25 kg/m^3






42. Initial velocity= the square root of 2gh






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






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






45. Initial velocity= the square root of 2gh






46. Net force=0 net torque=0






47.






48. Kg/m^3






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






50. 18600 miles/sec