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 sum of the energy of all the molecules in the system






2. The force that brings a system back to equilibrium






3. Heat into system - work done by system






4. 5/9 [T(F)-32]






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






6. 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.






7. Kg/m^3






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






9. F=mass x acceleration

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






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






12. A disturbance that moves through something






13. ?






14. 5/9 [T(F)-32]






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






16. C / f






17. Equals total momentum after collision






18. The combination of force and point of application






19. Voltage / current






20. A disturbance that propagates through a medium






21. Force per unit area






22. 1.25 kg/m^3






23. 1 -000 kg/m^3






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






25. Initial velocity = acceleration x time






26. The effectiveness of a material in conducting heat






27. Solids - liquids - gases






28. 1 / period (time)






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






30. Time required to complete one cycle






31. Net force=0 net torque=0






32. The effectiveness of a material in conducting heat






33. Hf






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

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






36. Why things move






37. 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.






38. 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).






39. 18600 miles/sec






40. Why things move






41. 1 / period (time)






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






43. 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.






44. Mass x specific heat x temperature change






45. The combination of force and point of application






46. Not easy to knock over






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






48. New theory that explained behavior at the atomic level






49. 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.






50. P + density x g h