"Newton's Laws": HTML5 Crossword

Across

2. _____ forces do not cause motion (8)
4. Newton's Third Law is the action-_________-law (8)
5. The sum of all the forces acting on an object (3,5)
8. If you increase mass, acceleration ______ (9)
10. An object at rest will remain at _____ until an outside force acts on it (4)
11. There are ____ laws of motion (5)
12. For every action there is an equal and _____ reaction (8)
14. Forces are measured in units called ________ (7)
15. Force that resists, stops, or blocks motion (8)
17. Force that pulls objects toward the center of the earth (7)

Down

1. _____ forces lead to motion of an object (10)
3. A push or pull on an object (5)
6. In F=ma, the "F" stands for (5)
7. Sir Isaac _______ studied the laws of Motion (6)
9. Which has more inertia, a mouse or an elephant? (8)
13. Another name for Newton's First Law, The Law of ____ (7)
16. This property of matter determines inertia. (4)