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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. Wavelength x frequency






2. 25%






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






4. 1 -000 kg/m^3






5. Mass x velocity






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






7. C/n






8. Kg/m^3






9. Sounds below 30 Hz






10. Change in velocity / time






11. 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.






12. Distance traveled / time






13. A tendency for liquids to resist flowing.






14. 2p x square root L/g






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






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






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






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






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






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






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






22. 100 -000 n/m^2






23. Sounds above 20 -000 Hz






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






25. P x u x A






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






27. Velocity squared / radius






28. An object that is thrown or struck or shot and then travels under the influence of gravity






29. Decreases






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






31. The force that brings a system back to equilibrium






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






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






34. F=mass x acceleration

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35. Force x lever arm






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






37. C / f






38. 2 -700 kg/m^3






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






40. 11 -000 kg/m^3






41. It increases






42. 2 -700 kg/m^3






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






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






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

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48.






49. Z+n






50. Current x resistance







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