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






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






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






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






5. Decreases






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






7. Maximum displacement from equilibrium






8. Sounds below 30 Hz






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






10. Change in velocity / time






11. Mass x velocity






12. P x u x A






13. Hf






14. 100 -000 n/m^2






15. Solids - liquids - gases






16. 9/5T(C)+32






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






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






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






20. Change in velocity / time






21. The force that brings a system back to equilibrium






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






23. Not easy to knock over






24. 25%






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

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26. 1 -000 kg/m^3






27. Current x resistance






28. It increases






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






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






31. 1.25 kg/m^3






32. Velocity squared / radius






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






34. P + density x g h






35. Force x lever arm






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






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






38. Net force=0 net torque=0






39. P x u x A






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






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






42. A tendency for liquids to resist flowing.






43. The center of an object






44. Analized brahe's data and verified the heliocentric theory. These regularities are known as Helpers Laws of Planetary motion.






45. Z+n






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






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






48. Heat into system - work done by system






49. Force per unit area






50. T(C) +273