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. How much torque it takes to get an object rotating






2. 1 / period (time)






3.






4. Mass x velocity






5. A disturbance that propagates through a medium






6. Kg/m^3






7. Equals total momentum after collision






8. Current x resistance






9. T(C) +273






10. Equals total momentum after collision






11. Decreases






12.






13. 2p x square root L/g






14. It increases






15. 2 -700 kg/m^3






16. T(C) +273






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






18. F=mass x acceleration

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19.






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






21. Initial velocity= the square root of 2gh






22. 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.






23. 25%






24. Force per unit area






25. The total disorder of an object






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






27. Velocity squared / radius






28. 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.






29. The level stays the same






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






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






32. 1.25 kg/m^3






33. Wavelength x frequency






34. 2p x square root L/g






35. T^4






36. Mass x specific heat x temperature change






37. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).






38. Change in velocity / time






39. Not easy to knock over






40. 1 -000 kg/m^3






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






42. Distance traveled / time






43. Shows in 1905 that newtons laws were not valid for objects moving with speeds near the speed of light.






44. Length of a wave






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






46. New theory that explained behavior at the atomic level






47. 25%






48. Sounds above 20 -000 Hz






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






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