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. If energy is transferred and the internal energy of system B decreases by some amount then the internal energy of system A must incrase by the same amount.






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






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






4. 10 m/s^2






5. The level stays the same






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






7. 1 / period (time)






8. 25%






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






10. 25%






11. F=mass x acceleration

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12. The effectiveness of a material in conducting heat






13. New theory that explained behavior at the atomic level






14. Believed that the natural state of objects was to be at rest






15. 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.






16. Force x lever arm






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






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






19. 9/5T(C)+32






20. A tendency for liquids to resist flowing.






21.






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






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






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






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






26. Length of a wave






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






28. Wavelength x frequency






29. Equals total momentum after collision






30. 11 -000 kg/m^3






31. Force per unit area






32. Mass x velocity






33. 18600 miles/sec






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






35. V1 x A1=v2 x A2






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






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






38. Decreases






39. Speed of light / wavelength






40. Velocity squared / radius






41. Mass x velocity






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






43. V1 x A1=v2 x A2






44. Heat into system - work done by system






45. Pascal (Pa) or pounds per square inch (psi)






46. P x u x A






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






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






49. Sounds above 20 -000 Hz






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