Across
- 2. the force that pulls objects toward each other
- 3. the motion of a falling object when the only force acting on it is gravity
- 6. the amount of matter in an object
- 7. the force of gravity on an object at the surface of a planet
- 9. the attractive force between two objects that directly proportional to the mass of an object
- 11. forces that produce a nonzero net force, which change an object's motion
- 13. a push or pull exerted on an object
- 14. an object's in position relative to a reference point
Down
- 1. equal forces acting on an object in opposite directions
- 4. the force that one surface exerts on another when the two surfaces rub against each other
- 5. the overall force of an object when all the individual forces acting on it are added together
- 8. the tendency of an object to resist change in its motion
- 10. the speed of an object and the direction of its motion
- 12. a unit of measure that equals the force required to accelerate 1 kilogram of mass at 1 meters per second