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. Time required to complete one cycle






2.






3. Sounds above 20 -000 Hz






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






5. Why things move






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






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






8. Why things move






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






10. New theory that explained behavior at the atomic level






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






12. 1.25 kg/m^3






13. 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).






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






15. C/n






16. Because nothing stops it






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






18. It increases






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






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






21. The combination of force and point of application






22. Velocity squared / radius






23. T(C) +273






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






25. The total disorder of an object






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






27. 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.






28. Rod with forces applied at opposite ends in the same direction






29. Kg/m^3






30. Distance traveled / time






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






32. The heat transfer by electromagnetic waves - thermal light waves






33. 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.






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






35. Length of a wave






36. Net force=0 net torque=0






37. Rod with forces applied at opposite ends in the same direction






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

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39. 25%






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






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






42. The force that brings a system back to equilibrium






43. The center of an object






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






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






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






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






48. The heat transfer by electromagnetic waves - thermal light waves






49. C / f






50. Because nothing stops it