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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. Heat into system - work done by system






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






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






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






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






6. The center of an object






7. 1 / period (time)






8. 2 -700 kg/m^3






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

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10. Mass x gravity






11. 11 -000 kg/m^3






12. The effectiveness of a material in conducting heat






13. Initial velocity = acceleration x time






14. The force that brings a system back to equilibrium






15. Because nothing stops it






16. Hf






17. Heat into system - work done by system






18. Number density x temperature






19. 10 m/s^2






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






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






22. 10 m/s^2






23. Distance traveled / time






24.






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






26. C / f






27. Force per unit area






28. Sounds below 30 Hz






29. The force that brings a system back to equilibrium






30. 18600 miles/sec






31. Why things move






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






33. 1.25 kg/m^3






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






35. Change in velocity / time






36. Wavelength x frequency






37. A disturbance that propagates through a medium






38. 5/9 [T(F)-32]






39. Sounds above 20 -000 Hz






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






41. Rod with forces applied at opposite ends in the same direction






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






43. V x A= constant






44. Voltage / current






45. Length of a wave






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






47. Equals total momentum after collision






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






49. 25%






50. Velocity squared / radius







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