Across
- 1. When two forces are acting in opposite directions on an object, and are different sizes.
- 5. The force that 2 surfaces exert on each other when they rub against each other.
- 6. The force that pulls objects towards each other.
- 7. When a solid object moves through a fluid.
- 8. When two forces are acting in opposite directions on an object, and are of equal sizes.
- 11. The force of gravity on a person or an object at the surface of a planet.
- 12. When 2 solid surfaces slide over each other.
Down
- 2. An upward force exerted on falling objects.
- 3. The friction that acts on objects not moving.
- 4. When an object rolls across a surface.
- 9. When the only force acting on an object is gravity.
- 10. The amount of matter that is in an object.