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 efficiency with which an object emits thermal radiation. Is a number between 0 and 1. A good emitter has an e close to 1.






2. Fbottom=Ftop+mg where mg is the weight of the volume






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






4. The combination of force and point of application






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

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6. The total disorder of an object






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






8. V1 x A1=v2 x A2






9. 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.






10. 9/5T(C)+32






11. New theory that explained behavior at the atomic level






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






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






14. P x u x A






15.






16. If the temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)






17. 11 -000 kg/m^3






18. Hf






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






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






21.






22. 9/5T(C)+32






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






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






25. Force per unit area






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






27. Net force=0 net torque=0






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






29. Speed of light / wavelength






30. V x A= constant






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






32. Equals total momentum after collision






33. Sounds above 20 -000 Hz






34. 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).






35. Fbottom=Ftop+mg where mg is the weight of the volume






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






37. 5/9 [T(F)-32]






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






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






40. The center of an object






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






42. 18600 miles/sec






43.






44. Net force=0 net torque=0






45. Distance traveled / time






46. T(C) +273






47. Why things move






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






49. 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.






50. Maximum displacement from equilibrium