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. T(C) +273






2. F=mass x acceleration

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3. 1 / period (time)






4.






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






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






7. Because nothing stops it






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






9. Tube cross section area A - flow speed u vfr= u x A (m/s x m^2)






10. A disturbance that propagates through a medium






11. P + density x g h






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






13. A disturbance that moves through something






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






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






16. 10 m/s^2






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






18. 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.






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






20. C/n






21. 2 -700 kg/m^3






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






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






24. Hf






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






26. Time required to complete one cycle






27. 25%






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






29. Mass x specific heat x temperature change






30. The total disorder of an object






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






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






33. Because nothing stops it






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






35. 10 m/s^2






36. Sounds below 30 Hz






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

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38. Mass x gravity






39. Z+n






40. 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.






41. T^4






42. 5/9 [T(F)-32]






43. 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.






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






45. C / f






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






47. 1.25 kg/m^3






48. A tendency for liquids to resist flowing.






49. 1 -000 kg/m^3






50. Solids - liquids - gases