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. 18600 miles/sec






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






3. 2 -700 kg/m^3






4. 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.






5. Equals total momentum after collision






6.






7. Voltage / current






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






9. 1.25 kg/m^3






10. F=mass x acceleration

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11. V x A= constant






12. Sounds below 30 Hz






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






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






15. Sounds above 20 -000 Hz






16. Z+n






17. Maximum displacement from equilibrium






18. 1.25 kg/m^3






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






20. Velocity squared / radius






21. Because nothing stops it






22. The amount of heat that is required to raise the temperature of one g of a substance by 1 degree C.






23. Fluid flow velocity=u - fluid density=p (rho) - fluid pressure=P P +

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24. Force per unit area






25. Distance traveled / time






26. 2p x square root L/g






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






28. 11 -000 kg/m^3






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






30. P x u x A






31. Net force=0 net torque=0






32. The combination of force and point of application






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






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






35. Because nothing stops it






36. 25%






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






38. The total disorder of an object






39. Force x lever arm






40. Speed of light / wavelength






41. Fbottom-Ftop=mg=(density x vol) x g






42. Solids - liquids - gases






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






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






45. V1 x A1=v2 x A2






46. C/n






47. 1 -000 kg/m^3






48.






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






50. The center of an object