Physics Chapter 8 Crossword

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Across
  1. 1. out of a hoop, disc, and sphere, the ____ has the smallest moment of inertia
  2. 3. an object's resistance to changes in its rotational motion
  3. 7. this type of energy equals 1/2(I)(omega^2)
  4. 10. moment of inertia depends on the object's mass and how far the object's particles are from the _____
  5. 11. L is the symbol for this quantity
  6. 14. the perpendicular distance from the axis of rotation to the line of action of the force
  7. 17. the positive direction of torque
  8. 20. to balance two unequal masses on a plank, the larger mass must be placed ___ to the pivot point than the smaller mass
Down
  1. 2. moment of inertia is the ____ of mass
  2. 4. an object is in ____ equilibrium if the sum of the forces in the x and y directions equal zero and the sum of the torques equals zero
  3. 5. the negative direction of torque
  4. 6. SI units for torque
  5. 8. the theorem that says Ipa = Icm + Md^2
  6. 9. a pole or beam attached on a vertical support on one end by a pivot and on the other end by a slanted cord or chain
  7. 12. to maximize torque, the force should act at a _____ to the axis of rotation
  8. 13. on a scaffold, if a single window washer is standing closer to the left cable, the tension in the left cable must be ____ than the tension in the right cable
  9. 15. the turning action of a force
  10. 16. if the net external torque is zero, then angular momentum is _______
  11. 18. the abbreviated SI units for moment of inertia
  12. 19. out of a hoop, disc, and sphere, the ____ has the largest moment of inertia