Across
- 5. - inclined plane
- 6. - pulley used in drawing water from well
- 7. - upward force
- 8. - due to the motion of an object
- 10. - non polluting source of energy
- 11. - force used by all simple machines
Down
- 1. - ability to do work
- 2. - due to position of object
- 3. - heat produced by the earth
- 4. - used to lift car
- 6. - used to slow down a object
- 9. - push or pull acting on an object