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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. 11 -000 kg/m^3






2. Sounds above 20 -000 Hz






3. Maximum displacement from equilibrium






4. The center of an object






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






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






7. Equals total momentum after collision






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






9. 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.






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






11. Initial velocity = acceleration x time






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






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






14. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






15. The total disorder of an object






16. Net force=0 net torque=0






17. The sum of the energy of all the molecules in the system






18. Sounds above 20 -000 Hz






19. P x u x A






20. Distance traveled / time






21. T^4






22.






23. Hf






24. 5/9 [T(F)-32]






25. 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.






26. C / f






27. Heat into system - work done by system






28. Length of a wave






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






30. Mass x gravity






31. 11 -000 kg/m^3






32. ?






33. Force x lever arm






34. New theory that explained behavior at the atomic level






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






36. Maximum displacement from equilibrium






37. The center of an object






38. New theory that explained behavior at the atomic level






39. 25%






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






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






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






43. V x A= constant






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






45.






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






47. Wavelength x frequency






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






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

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50. P x u x A