Across
- 3. is a Machine which is a slope that makes work easier
- 5. is the force generated by two surfaces that contact and slides against each other.
- 6. is a small wheel with a groove around its outer edge
- 7. is the force of attraction on a body by the earth
- 9. is a simple machine used to hold things tightly together
Down
- 1. is the force exerted by the muscles of arms or legs or any other body part in order to do some work
- 2. is a machine in which a wheel is attached to a rode or an axel
- 4. are tools that make our work easier and faster
- 8. is a push or a pull applied to an object