Across
- 6. an eclipse in which the moon covers the sun and casts a shadow on Earth
- 7. a force that acts between all masses in the universe
- 8. the stored energy of an object due to its position
- 9. a force that acts toward the center of rotation
- 10. the rate at which work is done
- 11. the product of rotational inertia and rotational velocity
- 12. the straight line around which circular motion takes place
- 16. a projectile moving fast enough to fall continually around Earth
- 18. a collapsed star with a gravitational field so strong that light cannot escape
- 19. the time for an object or satellite to complete one cycle of circular motion
- 21. the fictitious outward force of an object moving in a circular path
- 22. a force that causes an object to rotate about an axis
- 23. a device used to multiply forces or change direction of forces
- 25. maximum tidal range
- 27. the point in a satellite's orbit closest to Earth
- 28. the energy of an object due to its motion
Down
- 1. a measure of how off-center an ellipse is
- 2. the resistance an object has to changes in its state of rotation
- 3. motion of an object as it spins about an internal axis
- 4. the linear speed of an object moving along a circular path
- 5. minimum tidal range
- 13. a quantity varies in inverse proportion to the distance squared from its source
- 14. an oval figure defined by two fixed points called foci
- 15. an eclipse in which the Earth covers the sun and casts a shadow on the moon
- 17. a force that causes the displacement of an object
- 20. the absence of a support force
- 24. the point in a satellite's orbit farthest from Earth
- 26. the motion of an object as it turns about an external axis