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. V x A= constant






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






3. P(P2-P1)D^4/128Ln n=fluid's viscosity






4. Equals total momentum after collision






5. 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.






6. 2 -700 kg/m^3






7. V x A= constant






8. Maximum displacement from equilibrium






9. A disturbance that propagates through a medium






10. The study of how objects behave (from the very tiny to the very big - and from the beginning of the Universe to its ultimate fate).






11. It increases






12. Mass x gravity






13. T(C) +273






14. The force that brings a system back to equilibrium






15. P x u x A






16. The center of an object






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






18. Force per unit area






19. A disturbance that moves through something






20. 25%






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






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






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






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






25. Hf






26. Force x lever arm






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

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






29. Time required to complete one cycle






30. Current x resistance






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






32.






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






34. Length of a wave






35. Mass x specific heat x temperature change






36. Wavelength x frequency






37. 1 / period (time)






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






39. 1 -000 kg/m^3






40. Work done / heat in






41. C / f






42. 1 / period (time)






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






44. Because nothing stops it






45. Z+n






46. Initial velocity= the square root of 2gh






47. P + density x g h






48. Mass x velocity






49. The total disorder of an object






50. The level stays the same