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. Decreases






2. A tendency for liquids to resist flowing.






3. Velocity squared / radius






4. Because nothing stops it






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






6. 1 / period (time)






7. F=mass x acceleration

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






9. 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.






10. 25%






11. Maximum displacement from equilibrium






12. Initial velocity = acceleration x time






13. Hf






14. Kg/m^3






15. V x A= constant






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






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






18. 1 -000 kg/m^3






19. P x u x A






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






21. 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).






22. Maximum displacement from equilibrium






23. 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.






24. Mass x specific heat x temperature change






25. A disturbance that moves through something






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






27. 5/9 [T(F)-32]






28. 11 -000 kg/m^3






29. New theory that explained behavior at the atomic level






30. ?






31. Equals total momentum after collision






32. The force that brings a system back to equilibrium






33. The study of heat and its transformation into mechanical energy






34. A disturbance that propagates through a medium






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






36. 2p x square root L/g






37. An object that is thrown or struck or shot and then travels under the influence of gravity






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






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






40. Mass x gravity






41. Number density x temperature






42. The study of heat and its transformation into mechanical energy






43. Sounds below 30 Hz






44. A tendency for liquids to resist flowing.






45. The total disorder of an object






46. Decreases






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






48. F=mass x acceleration

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49. The heat transfer by electromagnetic waves - thermal light waves






50. Mass x specific heat x temperature change







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Can you answer 50 questions in 15 minutes?


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