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 temperature of system A is less then the temperature of system B then heat flows from B to A (hot to cold)






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






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






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






5. 1.25 kg/m^3






6. P + density x g h






7. 1 -000 kg/m^3






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






9. 2p x square root L/g






10. 11 -000 kg/m^3






11. A disturbance that moves through something






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






13. Decreases






14. Are wider at the base (which lowers their center of gravity)






15. Why things move






16. Mass x specific heat x temperature change






17. Change in velocity / time






18. Kg/m^3






19. Rod with forces applied at opposite ends in opposite directions






20. Maximum displacement from equilibrium






21. Wavelength x frequency






22. T^4






23. The total disorder of an object






24. The combination of force and point of application






25. Pressure x area






26. Number density x temperature






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






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






29. 11 -000 kg/m^3






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

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31. Sounds below 30 Hz






32. Initial velocity = acceleration x time






33. Because nothing stops it






34. Time= the square root of 2 x height / acceleration due to gravity






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






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






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






38. You cant get as much out as you put in






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






40. 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.






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






42. Speed of light / wavelength






43. New theory that explained behavior at the atomic level






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






45. Fbottom=Ftop+mg where mg is the weight of the volume






46. T(C) +273






47. 100 -000 n/m^2






48. New theory that explained behavior at the atomic level






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






50. Current x resistance