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. The level stays the same






2. Velocity squared / radius






3. The heat needed to raise the temperature of 1 pound of water by 1 degree F






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






5. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s






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






7.






8. The total disorder of an object






9. Decreases






10. Speed of light / wavelength






11. Not easy to knock over






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






13. Distance traveled / time






14. It increases






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






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






17. 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.






18. C/n






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






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






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






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

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






24. F=mass x acceleration

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25. The center of an object






26. 1 -000 kg/m^3






27. V1 x A1=v2 x A2






28. Mass x specific heat x temperature change






29. Equals total momentum after collision






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






31. Force x lever arm






32. The heat needed to raise the temperature of 1 pound of water by 1 degree F






33. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






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






35. Why things move






36. T(C) +273






37. The combination of force and point of application






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






39. C/n






40. Sounds above 20 -000 Hz






41. The effectiveness of a material in conducting heat






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






43. 25%






44. 9/5T(C)+32






45. 2 -700 kg/m^3






46. Maximum displacement from equilibrium






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






48. V1 x A1=v2 x A2






49. Decreases






50. 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.