Across
- 2. A screw converts ____________ motion into linear motion
- 4. A grooved wheel with a rope or cable wrapped around it
- 5. These things, commonly found on playgrounds, are examples of first class levers. Write as one word, no dash
- 7. A ______________ is an inclined plane wrapped around a cylinder
- 9. There are _____________ different types of lever classes
- 11. An ____________ plane is a sloped surface
- 12. A rigid bar that pivots on a fixed point
- 13. The mechanical advantage of a wheel and axle depends on the relative ___________ of the wheel and axle
Down
- 1. A __________ pulley can reduce the amount of force needed to lift a load
- 3. A double inclined plane that moves to exert a force
- 6. A ___________ and axle consists of a ___________ attached to a smaller rod, or axle
- 7. ______________ machines are basic mechanical devices that change the direction or magnitude of a force
- 8. __________ wedges require less force but make up for it by having to move a greater distance
- 10. The tradeoff of an inclined plane is that it decreases the force but increases the ________________