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. Change in velocity / time






2. It increases






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






4. 25%






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






6. Length of a wave






7. T(C) +273






8. Mass x gravity






9. 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.






10. V x A= constant






11. 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.






12. Length of a wave






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






14. 1 / period (time)






15. ?






16. 18600 miles/sec






17. The effectiveness of a material in conducting heat






18. Sounds below 30 Hz






19. V1 x A1=v2 x A2






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






21. A disturbance that propagates through a medium






22. 10 m/s^2






23. 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.






24. 1 / period (time)






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






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






27. Force x lever arm






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






29. 100 -000 n/m^2






30. 9/5T(C)+32






31. Mass x specific heat x temperature change






32. 9/5T(C)+32






33. Voltage / current






34. Mass x gravity






35. T^4






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






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

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






39. 1 -000 kg/m^3






40. The force that brings a system back to equilibrium






41. The combination of force and point of application






42. 5/9 [T(F)-32]






43. 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).






44. 100 -000 n/m^2






45. Z+n






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






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






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






49. 18600 miles/sec






50. Heat into system - work done by system