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






2. Change in velocity / time






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






4. Solids - liquids - gases






5.






6. 2 -700 kg/m^3






7. Pressure x area






8. Hf






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






10. Net force=0 net torque=0






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






12. Work done / heat in






13. P x u x A






14. P + density x g h






15. Force x lever arm






16. ?






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






18. The effectiveness of a material in conducting heat






19. 2p x square root L/g






20. Number density x temperature






21. The heat needed to raise the temperature of 1 pound of water by 1 degree F






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






23. C / f






24.






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






26. Initial velocity= the square root of 2gh






27. Equals total momentum after collision






28. Equals total momentum after collision






29. C / f






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






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


32. A tendency for liquids to resist flowing.






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






34. The force that brings a system back to equilibrium






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






36. Why things move






37. Current x resistance






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






39. A disturbance that propagates through a medium






40. Velocity squared / radius






41. The force that brings a system back to equilibrium






42. A tendency for liquids to resist flowing.






43. 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.






44. 1.25 kg/m^3






45. 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.






46. 25%






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






48. Initial velocity= the square root of 2gh






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






50. V x A= constant