Across
- 2. The ability to perform a task without wasting time, effort, materials, or energy.
- 5. Advantage the ratio of a machine's output force to its input force.
- 7. A rigid bar used to pry, lift, or move an object, such as a crowbar or a hammer pulling a nail.
- 8. a wheel with a groove for a rope, used to lift heavy objects
Down
- 1. and Axle a simple machine consisting of a large wheel connected to a smaller rod
- 3. Plane a Ramp
- 4. Machine a basic device used to make work easier.
- 6. JOULE