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. Heat into system - work done by system






2. Why things move






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






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






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






6. Hf






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






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






9. Speed of light / wavelength






10. Mass x velocity






11. 5/9 [T(F)-32]






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






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






14. Length of a wave






15. Number density x temperature






16. The effectiveness of a material in conducting heat






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






18. 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.






19. The first to do experimental studies of the laws of motion and was Imprisoned by Pope Urban VIII in 1633 for advocating the Copernican theory - also know as the heliocentric theory - that the earth was a planet revolving around the sun.






20. V1 x A1=v2 x A2






21.






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






23. 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.






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

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25. Current x resistance






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






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






28. 2p x square root L/g






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






30. Initial velocity = acceleration x time






31. The combination of force and point of application






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






33. New theory that explained behavior at the atomic level






34. 2p x square root L/g






35. A tendency for liquids to resist flowing.






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






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






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






39. It increases






40. The force that brings a system back to equilibrium






41. 25%






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






43.






44. 100 -000 n/m^2






45. 9/5T(C)+32






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






47. The total disorder of an object






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






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






50. 2 -700 kg/m^3