Across
- 2. A force exerted by a person, animal or machine
- 4. A force that is applied to make an object move
- 5. A force that resists an object's motion through water
- 9. A force of attraction between some metals, such as iron and nickel
- 10. A force between two touching surfaces that resists an object's motion
Down
- 1. A force that resists an object's motion through air
- 3. Any force that can only occur when two objects are touching
- 5. The force of gravity on an object's mass
- 6. A force that pulls inward when a solid object is stretched
- 7. A force that occurs when a springy object is squashed or stretched
- 8. An attractive force between any two objects that have mass