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






2. 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.






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






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






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






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






7. Length of a wave






8. Net force=0 net torque=0






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






10. Mass x specific heat x temperature change






11. The effectiveness of a material in conducting heat






12. Sounds above 20 -000 Hz






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

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






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






16.






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






18. The total disorder of an object






19. Velocity squared / radius






20. C/n






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






22. Number density x temperature






23. Not easy to knock over






24.






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






26. Because nothing stops it






27. Velocity squared / radius






28. 2 -700 kg/m^3






29. 25%






30. 2 -700 kg/m^3






31. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s






32. 10 m/s^2






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






34. 100 -000 n/m^2






35. The total force (positive and negative) acting upon an object






36. Change in velocity / time






37. The combination of force and point of application






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






39. The level stays the same






40. 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.






41. Mass x gravity






42. Heat into system - work done by system






43. Speed of light / wavelength






44. P + density x g h






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






46. Heat into system - work done by system






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






48. 5/9 [T(F)-32]






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






50. Initial velocity= the square root of 2gh