Across
- 6. a disk shaped object attached to a rod that rotates together
- 8. a push or a pull, measured in newtons
- 12. the sum of all forces acting on an object
- 13. the tendency of an object to resist a change in motion
- 15. This type of energy exists in a moving object.
- 17. This type of energy is released by fission or fusion of atomic nuclei.
- 18. a rigid bar that rotates around a fulcrum
- 19. the ability to do work, measured in Joules
- 20. an inclined plane wrapped around a cylinder
Down
- 1. the rate of change of velocity
- 2. This is a triangular shaped object used to split objects apart.
- 3. the amount of matter in an object
- 4. This type of force is when the net force is zero and there is no change to an objects motion.
- 5. speed and direction of an object
- 7. This is the stored energy of an object.
- 9. This is a force that opposes the motion of objects that rub together.
- 10. the force of gravity acting on an object
- 11. This is the SI unit of mass.
- 14. The mechanical advantage of this machine is found by counting the number of rope segments.
- 16. A ramp is an example of this simple machine.