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

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2. Z+n






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






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






5. The combination of force and point of application






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

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7. A disturbance that moves through something






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






9. Kg/m^3






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






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






12. The level stays the same






13. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.






14. The center of an object






15. The force that brings a system back to equilibrium






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






17. Force per unit area






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






19. New theory that explained behavior at the atomic level






20. 5/9 [T(F)-32]






21. T(C) +273






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






23. Sounds above 20 -000 Hz






24. 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.






25. Hf






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

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27. 1.25 kg/m^3






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






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






30. T(C) +273






31. Maximum displacement from equilibrium






32. 1 / period (time)






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






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






35. C/n






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






37.






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






39. Initial velocity = acceleration x time






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






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






42. Hf






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. The effectiveness of a material in conducting heat






45. 11 -000 kg/m^3






46. New theory that explained behavior at the atomic level






47. Because nothing stops it






48. F=mass x acceleration

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49. Net force=0 net torque=0






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