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. Voltage / current






2. The combination of force and point of application






3. C/n






4. The center of an object






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






6. Why things move






7. ?






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






9. Maximum displacement from equilibrium






10. Number density x temperature






11. It increases






12. Force per unit area






13.






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






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






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






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






18. Sounds below 30 Hz






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






20. T^4






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






22. V1 x A1=v2 x A2






23. T^4






24. Because nothing stops it






25. 100 -000 n/m^2






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






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






28. C / f






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






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

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31. Net force=0 net torque=0






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






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






34. 11 -000 kg/m^3






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






36. 5/9 [T(F)-32]






37. C/n






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






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






40. Time required to complete one cycle






41. The effectiveness of a material in conducting heat






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






43. 18600 miles/sec






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






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

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46. The effectiveness of a material in conducting heat






47. 25%






48. Initial velocity = acceleration x time






49. T(C) +273






50. The level stays the same