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. 10 m/s^2






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






3. Wavelength x frequency






4. 2 -700 kg/m^3






5. Wavelength x frequency






6. 11 -000 kg/m^3






7. T^4






8. C / f






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






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






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






12. The sum of the energy of all the molecules in the system






13. 1 / period (time)






14. Mass x velocity






15. Speed of light / wavelength






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






17. Because nothing stops it






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






19. V1 x A1=v2 x A2






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

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21. The force that brings a system back to equilibrium






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

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






24. F=mass x acceleration

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25. A tendency for liquids to resist flowing.






26. 25%






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






28. Sounds below 30 Hz






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






30. Mass x gravity






31. Length of a wave






32. 2p x square root L/g






33. Maximum displacement from equilibrium






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






35. ?






36. The effectiveness of a material in conducting heat






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






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






39. Pressure x area






40. Voltage / current






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






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






43. 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.






44. Force x lever arm






45. Heat into system - work done by system






46. The effectiveness of a material in conducting heat






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






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






49. Are wider at the base (which lowers their center of gravity)






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