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 cant get as much out as you put in






2. Change in velocity / time






3. The center of an object






4. Distance traveled / time






5. It increases






6. Velocity squared / radius






7. 5/9 [T(F)-32]






8. 10 m/s^2






9. V x A= constant






10. Z+n






11. 2 -700 kg/m^3






12. F=mass x acceleration

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






14. Decreases






15. Length of a wave






16. A tendency for liquids to resist flowing.






17. Maximum displacement from equilibrium






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






19. Sounds below 30 Hz






20. Net force=0 net torque=0






21. It increases






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






23. 25%






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






25. Initial velocity= the square root of 2gh






26. 1 -000 kg/m^3






27. New theory that explained behavior at the atomic level






28. 18600 miles/sec






29. 1.25 kg/m^3






30. Force per unit area






31. Force per unit area






32. 11 -000 kg/m^3






33. The level stays the same






34. Number density x temperature






35. Kg/m^3






36. The force that brings a system back to equilibrium






37. Hf






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






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






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






41. Work done / heat in






42. C/n






43. Kg/m^3






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






45. A disturbance that propagates through a medium






46. 5/9 [T(F)-32]






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






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






49. 1 / period (time)






50. 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.