Across
- 2. pulley, pulleys that are secured to a single spot
- 4. inclined plane wrapped in a spiral around a cylinder post
- 6. class, fulcrum is between the input force and output force
- 8. a device that makes doing work easier machines make work easier by decreasing the force you apply by increasing the distance it is applied.
- 9. grooved wheel with a rope, chain or cable running alone groove
- 10. plane, sloping surface such as a ramp that reduces the amount of force required to do work
- 12. class, output force is between the fulcrum and output force
- 13. and tackle, system of pulleys consisting of fixed and movable pulleys
- 14. class, input force between fulcrum and output force
Down
- 1. bar that is free to pivot around a fixed point
- 3. machine, machine that does work with one movement of the machine.
- 5. and axle, consist of an axle attached to center of a larger wheel so that the wheel and axle rotate together
- 7. wedge, an inclined plane with one or two sloping sides
- 8. advantage, the ratio of the output force to the input force
- 11. machine, 2 or more simple machines that operate together