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.






2.






3. Force x lever arm






4. The effectiveness of a material in conducting heat






5. T(C) +273






6. Hf






7. Solids - liquids - gases






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






9. Kg/m^3






10. Decreases






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






12. A disturbance that propagates through a medium






13. T^4






14. Length of a wave






15. Change in velocity / time






16. 18600 miles/sec






17. The center of an object






18. 11 -000 kg/m^3






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






20. Pressure x area






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






22. P + density x g h






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






24. Force per unit area






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






26. Wavelength x frequency






27. Heat into system - work done by system






28. Work done / heat in






29. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.






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






31. 1 -000 kg/m^3






32. P x u x A






33. Maximum displacement from equilibrium






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






35. It increases






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






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

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38. Initial velocity = acceleration x time






39. Current x resistance






40. Mass x velocity






41. 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.






42. 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.






43. 5/9 [T(F)-32]






44. Z+n






45. Net force=0 net torque=0






46. 1 -000 kg/m^3






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






48. Wrote Principia in 1687. Made the 3 laws of mechanics and law of gravity. He also invented calculus.






49. 2 -700 kg/m^3






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