Across
- 3. A spiral inclined plane wrapped around a cylinder, used to hold objects together or to apply a force over a long distance
- 5. A rigid bar that pivots on a fixed point (fulcrum) to change the direction or size of a force.
Down
- 1. A grooved wheel with a rope or cable that changes the direction of a force. Flagpoles and clotheslines use pulleys to lift objects with ease!
- 2. Plane A slanted surface that helps you move objects to a higher level with less effort
- 4. A triangular-shaped tool that tapers to a thin edge, used to split objects apart by applying a force