Chapter 7 Test Extra Credit Crossword

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Across
  1. 3. angular ______ is calculated using delta theta/ delta time
  2. 5. centripetal force is _______-seeking
  3. 8. angular ___________ is calculated using s/r
  4. 13. centripetal __________ is the center-directed acceleration of an object in circular motion
  5. 16. ______ speed is the speed of an object moving in a circular path
  6. 17. the unit for w is ________ per second
  7. 19. _______ velocity is radians over time
  8. 20. the law of ___ states that lines connected any planet to the sun will sweep out equal areas in equal time
  9. 21. the r in the equation s/r
Down
  1. 1. how round or flat an orbit is
  2. 2. Newton's law of _ states that every object in orbit will be attracted to Earth but never contact it
  3. 4. angular ________ is calculated using w/delta t
  4. 6. the gravitational ______ is equal to 6.67X10^-11
  5. 7. uniform _________ motion occurs due to centripetal acceleration
  6. 9. ____ velocity is distance over time
  7. 10. the law of ____ states that all planets move in elliptical orbits
  8. 11. _______ force is a force away from the center during circular motion
  9. 12. ______ force is the force that causes an object to move in a circle
  10. 14. planets are in ____ fall towards the sun
  11. 15. the law of _____ states that T^2=kr^3
  12. 18. the speed of a planet is _____ closer to the Sun