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






2. Change in velocity / time






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






4. Force per unit area






5. Decreases






6. A disturbance that moves through something






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

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8. It increases






9. Sounds above 20 -000 Hz






10. 100 -000 n/m^2






11. 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.






12. The force that brings a system back to equilibrium






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






14. Speed of light / wavelength






15. Why things move






16. Length of a wave






17. Heat into system - work done by system






18. Velocity squared / radius






19. It increases






20. A tendency for liquids to resist flowing.






21. Number density x temperature






22. V1 x A1=v2 x A2






23. Kg/m^3






24. Pressure x area






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






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






27. Initial velocity = acceleration x time






28. Sounds below 30 Hz






29. 9/5T(C)+32






30. Initial velocity = acceleration x time






31. Mass x gravity






32. Voltage / current






33. Number density x temperature






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






35. T^4






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






37. Force per unit area






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






39. Compiled the first detailed observational data on planetary motion (mars) - without a telescope.






40. The effectiveness of a material in conducting heat






41. Sounds below 30 Hz






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






43. Maximum displacement from equilibrium






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






45. Hf






46. Net force=0 net torque=0






47. Because nothing stops it






48. T(C) +273






49. The combination of force and point of application






50. Mass x gravity