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






2. C / f






3. Length of a wave






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






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






6. Initial velocity = acceleration x time






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






8. 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.






9. It increases






10. The force that brings a system back to equilibrium






11. V1 x A1=v2 x A2






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






13. The force that brings a system back to equilibrium






14. Z+n






15. 1 / period (time)






16. C/n






17. The effectiveness of a material in conducting heat






18. ?






19. F=mass x acceleration

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20. The energy that flows from one system to another because of their temperature difference.






21. The effectiveness of a material in conducting heat






22. 5/9 [T(F)-32]






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

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24. Hf






25. The change in internal energy= the heat absorbed- the work done






26.






27. Why things move






28. Current x resistance






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






30. 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).






31. V x A= constant






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






33. 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.






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






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






36. Change in velocity / time






37. Pressure x area






38. Sounds below 30 Hz






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






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






41. Net force=0 net torque=0






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






43. Change in velocity / time






44. A disturbance that moves through something






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

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






47. Because nothing stops it






48. Current x resistance






49. 1 -000 kg/m^3






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







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Can you answer 50 questions in 15 minutes?


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