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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. 1.25 kg/m^3






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






3. Mass x specific heat x temperature change






4. The level stays the same






5. Maximum displacement from equilibrium






6. 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.






7. 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.






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






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






10. 10 m/s^2






11. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.






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

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13. Speed of light / wavelength






14. Number density x temperature






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






16. Initial velocity = acceleration x time






17. The effectiveness of a material in conducting heat






18. Initial velocity = acceleration x time






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






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






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






22. Force x lever arm






23. A tendency for liquids to resist flowing.






24. Kg/m^3






25. Velocity squared / radius






26. C/n






27. 1 / period (time)






28. Force x lever arm






29. C/n






30. The level stays the same






31. Not easy to knock over






32. 10 m/s^2






33. A disturbance that propagates through a medium






34. The force that brings a system back to equilibrium






35. Solids - liquids - gases






36. Force per unit area






37. 9/5T(C)+32






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






39. V1 x A1=v2 x A2






40. Time required to complete one cycle






41. Initial velocity= the square root of 2gh






42. 2p x square root L/g






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






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






45. 1 / period (time)






46. A tendency for liquids to resist flowing.






47. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






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






49. 100 -000 n/m^2






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