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. The study of heat and its transformation into mechanical energy






2. F=mass x acceleration

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






4. Heat into system - work done by system






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






6. 10 m/s^2






7. 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.






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






9. F=mass x acceleration

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10. V x A= constant






11. 25%






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






13. Number density x temperature






14. New theory that explained behavior at the atomic level






15. 2 -700 kg/m^3






16. Voltage / current






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






18. The effectiveness of a material in conducting heat






19. 2p x square root L/g






20. Speed of light / wavelength






21. Force per unit area






22. P x u x A






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






24. The level stays the same






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






26. Velocity squared / radius






27. Time required to complete one cycle






28. Why things move






29. 11 -000 kg/m^3






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






31. The center of an object






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






33. T^4






34. Change in velocity / time






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






36. 11 -000 kg/m^3






37. It increases






38. ?






39. T(C) +273






40. Work done / heat in






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






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






43. C/n






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






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






46. 9/5T(C)+32






47. Length of a wave






48. 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.






49. Initial velocity = acceleration x time






50. The combination of force and point of application