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






2. Why things move






3. Wavelength x frequency






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






5. P + density x g h






6. Equals total momentum after collision






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






8. ?






9. 2p x square root L/g






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






11. 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.






12.






13. V1 x A1=v2 x A2






14. Kg/m^3






15. Net force=0 net torque=0






16. 1.25 kg/m^3






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






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






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






20. 1.25 kg/m^3






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






22. A disturbance that moves through something






23. The energy that flows from one system to another because of their temperature difference.






24. 18600 miles/sec






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






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






27. Change in velocity / time






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






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






30. Gallons per minute (gpm) - liters/s - cubic feet per minute (cfm) or m^3/s






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






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






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






34. 9/5T(C)+32






35. 100 -000 n/m^2






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






37. The energy that flows from one system to another because of their temperature difference.






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






39. Length of a wave






40. Fbottom-Ftop=mg=(density x vol) x g






41. It increases






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






43. 25%






44. 10 m/s^2






45. Mass x specific heat x temperature change






46. F=mass x acceleration

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






48. Time required to complete one cycle






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






50. Mass x gravity