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sbws 6-10
| Term | Definition |
|---|---|
| simple machine | a one-function machine (i.e. lever, wedge, pulley, wheel and axle, inclined plane, screw) that makes work easier by changing the size, direction, or speed of the force. |
| lever | a bar that is free to turn about a fixed point (fulcrum) to make lifting easier. |
| wedge | two inclined planes back to back and tapered to a point. |
| pulley | rope wrapped around a wheel |
| wheel and axle | a simple machine where force applied at the outer edge of the wheel produces a greater force at the end of the axle. |