Across
- 1. a vehicle's capacity to gain speed within a short time
- 3. force those that are opposite in direction and equal in size
- 5. forces When the resultant force acting on a body is not equal to zero
- 7. the SI unit of force. It is equal to the force that would give a mass of one kilogram an acceleration of one meter per second per second, and is equivalent to 100,000 dynes
- 8. strength or energy as an attribute of physical action or movement
- 9. force the vector sum of all the forces that act upon an object
Down
- 2. explains the nature of the forces between the two interacting objects
- 4. the resistance that one surface or object encounters when moving over another
- 6. a tendency to do nothing or to remain unchanged
- 8. the time rate of change of the momentum of a body is equal in both magnitude and direction to the force imposed on it