Across
- 4. It has ridges and is not as smooth as a nail.
- 7. earth pulls all objects towards itself with a force.
- 10. the ability to do work.
- 11. a push or pull acting on
- 12. simple tools that make our work easier.
- 13. It gives energy to move vechiles
Down
- 1. It is a flat surface that is higher one end.
- 2. the energy that We obtain from the sun.
- 3. energy stored in the muscles that enables us to do work.
- 5. When a force acts on an object and the object moves in the direction of the force.
- 6. It makes easy for us to move or lift weights, open bottle caps,or cut things.
- 8. object
- 9. force that opposes motion of an object.