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. Work done / heat in






2. Sounds below 30 Hz






3. Because nothing stops it






4. Decreases






5. Initial velocity= the square root of 2gh






6. Not easy to knock over






7. 1 -000 kg/m^3






8. Force per unit area






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

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10. 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.






11. ?






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






13. 2p x square root L/g






14. Solids - liquids - gases






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






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






17. Number density x temperature






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

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19. T^4






20. 11 -000 kg/m^3






21. The effectiveness of a material in conducting heat






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






23. Decreases






24. The center of an object






25. New theory that explained behavior at the atomic level






26. Maximum displacement from equilibrium






27. Mass x velocity






28. Mass x velocity






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






30. Time required to complete one cycle






31. Equals total momentum after collision






32. C / f






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






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

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






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






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






38. The force that brings a system back to equilibrium






39. 1 / period (time)






40. The center of an object






41. C / f






42. The total disorder of an object






43. The energy that flows from one system to another because of their temperature difference.






44. Sounds above 20 -000 Hz






45. 9/5T(C)+32






46. Why things move






47. T(C) +273






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






49. The combination of force and point of application






50. Heat into system - work done by system