Across
- 2. the vector sum of forces acting on a particle or object
- 4. forces that are equal in size and opposite in direction
- 5. is the rate at which someone or something is able to move or operate.
- 6. the speed of something in a given direction.
Down
- 1. the force applied in one direction is greater than the force applied in the opposite direction
- 3. a vehicle's capacity to gain speed within a short time.