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






2. Voltage / current






3. 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.






4. Not easy to knock over






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






6. P + density x g h






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






8. Why things move






9. Current x resistance






10. It increases






11. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)






12. Distance traveled / time






13. P x u x A






14. The sum of the energy of all the molecules in the system






15. 1 -000 kg/m^3






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






17. P x u x A






18. 1 -000 kg/m^3






19. Work done / heat in






20. It increases






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






22. Time= the square root of 2 x height / acceleration due to gravity






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






24. A disturbance that propagates through a medium






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






26.






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






28. 1.25 kg/m^3






29. Because nothing stops it






30. 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.






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






32. Number density x temperature






33. 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).






34. T^4






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






36.






37. Heat into system - work done by system






38. 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.






39. F=mass x acceleration

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40. V1 x A1=v2 x A2






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






42. Length of a wave






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






44. 9/5T(C)+32






45. A disturbance that moves through something






46. 25%






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






48. Z+n






49. The total disorder of an object






50. Kg/m^3