Topic 4 Crossword

2. A measure of the force of gravity on an object
4. The combination of all the forces acting on that object
5. An object's mass directly affects how much force is needed to accelerate the object
7. The angle of a line on a graph
8. An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force
11. The speed at which an object travels in a given direction
12. If one object exerts a force on another object, then the second object exerts an equal force in the opposite direction
14. A contact force that two surfaces exert on each other when they rub against each other
16. Unit for the strength of a force

1. The rate at which velocity changes
3. Place or object used to compare to determine if something is in motion
6. Push or pull exerted on an object
9. Resistance to change in motion
10. The state in which one object's distance from another object changes
13. A force that pulls objects toward each other as a result of their masses
15. The distance the object moves per unit of time