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






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






3. Z+n






4. Current x voltage energy/time (joules per second)






5. 1 -000 kg/m^3






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






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






8. F=mass x acceleration

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9. 25%






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






11. The combination of force and point of application






12. Net force=0 net torque=0






13. 11 -000 kg/m^3






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






15. A tendency for liquids to resist flowing.






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






17. T(C) +273






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






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






20. V1 x A1=v2 x A2






21. Distance traveled / time






22. The center of an object






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






24. Sounds below 30 Hz






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






26. 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.






27. The force that brings a system back to equilibrium






28. Heat into system - work done by system






29. The center of an object






30. The effectiveness of a material in conducting heat






31. C / f






32. Weight of displaced water=volume of displaced water in liters x 10 n / liter






33. Speed of light / wavelength






34. Weight of displaced water=volume of displaced water in liters x 10 n / liter






35. It increases






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






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






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

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39. C/n






40. Force x lever arm






41. Hf






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






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






44. The effectiveness of a material in conducting heat






45. 5/9 [T(F)-32]






46. New theory that explained behavior at the atomic level






47. 1 / period (time)






48. T^4






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






50. Current x resistance