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






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






3. How much torque it takes to get an object rotating






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






5. 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.






6. 2p x square root L/g






7. Net force=0 net torque=0






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






9. Equals total momentum after collision






10. Number density x temperature






11. C / f






12. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






13. Why things move






14. Wavelength x frequency






15. Current x voltage energy/time (joules per second)






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






17. A tendency for liquids to resist flowing.






18. Because nothing stops it






19. Solids - liquids - gases






20. C/n






21. Voltage / current






22. Mass x gravity






23. F=mass x acceleration

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






26. Velocity squared / radius






27. V1 x A1=v2 x A2






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






29. 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.






30. Sounds above 20 -000 Hz






31. F=mass x acceleration

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32. Heat into system - work done by system






33. Kg/m^3






34. The force that brings a system back to equilibrium






35. V1 x A1=v2 x A2






36. Work done / heat in






37. Mass x velocity






38. Decreases






39. A disturbance that moves through something






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






41. Mass x specific heat x temperature change






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






43.






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






45. 5/9 [T(F)-32]






46. 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.






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

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48. Work done / heat in






49. Distance traveled / time






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