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






2. C / f






3. Heat into system - work done by system






4. The change in internal energy= the heat absorbed- the work done






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






6. Sounds below 30 Hz






7. The change in internal energy= the heat absorbed- the work done






8. Wavelength x frequency






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






10. C / f






11. Sounds below 30 Hz






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






13. The center of an object






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






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






16. The combination of force and point of application






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

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18. It increases






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






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






21. Why things move






22. Work done / heat in






23. Mass x velocity






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






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






26. The center of an object






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

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28. 1 / period (time)






29. A disturbance that propagates through a medium






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






31.






32. Force x lever arm






33. New theory that explained behavior at the atomic level






34. Net force=0 net torque=0






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






36. 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.






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






38. Equals total momentum after collision






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






40. 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).






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






42. Not easy to knock over






43. 1 / period (time)






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






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






46. 11 -000 kg/m^3






47. Velocity squared / radius






48. P(P2-P1)D^4/128Ln n=fluid's viscosity






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






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