Across
- 3. The last name of a very widely popualar mathmatician
- 5. the relationship described in Newton's second law
- 7. forces acting on an object to put it in motion
- 8. Another name for newtons third law
- 9. the vector sum of forces acting on a particle or body
Down
- 1. the action of one surface rubbing against another
- 2. A tendency to do nothing or to remain unchanged
- 4. 2 forces acting in opposite directions on an object
- 6. a vehicle's capaciy to gain speed in a short time