Physics Exam Review

12345678910111213141516171819202122232425262728293031323334
Across
  1. 1. ___ objects have the same number of electrons and protons
  2. 3. 6.67E-11 is the ___ gravitational constant
  3. 6. orbital radius equals the radius of the central body plus the ___
  4. 9. acceleration due to gravity (g) is different at different ___ in the universe
  5. 12. when two objects ___ each other they must both have the same type of charge
  6. 15. Newton's ___ was a thought experiment
  7. 16. an ___ with an external system is required for the energy of a system to change
  8. 20. charge is ___ because it is always observed as an integer multiple of e
  9. 21. touching a charged object to another object, providing a path for electrons to move between them
  10. 22. the speed of a satellite in circular orbit is determined solely by the orbital ___
  11. 23. 9.8 is the acceleration due to gravity near the ___
  12. 26. velocity is a ___ meaning it has both a magnitude and a direction
  13. 28. friction force is proportional to ___ force
  14. 30. a method for creating a charged object by first polarizing and then grounding the object
  15. 31. when the radius of the orbit decreases a satellite moves at ____ speed
  16. 33. a charged object will ___ a neutral object by polarizing it
  17. 34. once an object begins to slide the kinetic friction is ___
Down
  1. 2. electric charge is caused by the addition or removal of ___
  2. 4. acceleration is proportional to ___ (2 words with no space)
  3. 5. a situation where the charges in an object are not evenly distributed
  4. 7. acceleration and net force point in ___ direction
  5. 8. the gravitational force causes two objects to ___ each other
  6. 10. an objects begins to slide when push force exceeds ___ friction force
  7. 11. a material that holds onto electrons very loosely so that many electrons are freely mobile
  8. 13. an object that can supply or absorb many electrons while remaining neutral
  9. 14. a material in which atoms hold onto electrons very tightly so that electrons can only shift within the confines of the atom
  10. 15. energy is a measure of the ability to produce ___ in physical systems
  11. 17. means "center-seeking"
  12. 18. a method to transfer energy from one system to another
  13. 19. without a centripetal force an object would move along a ___ path
  14. 24. if a projectile is fired with a big enough velocity it will fall ___ the Earth instead of down to the Earth
  15. 25. the ___ charge is the amount of charge of a single electron or a single proton
  16. 27. mechanical energy is due to ___ or motion
  17. 29. rubbing two uncharged objects together to create charge
  18. 32. the physical property that causes the gravitational force