Across
- 2. strength or energy as an attribute of physical action or movement.
- 4. property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force
- 6. the sum of all forces acting on an object in a single plane
- 9. Friction The force that prevents relative motion between two contacting surfaces when they are at rest.
- 10. force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second
Down
- 1. the resistance that one surface or object encounters when moving over another
- 3. Force those that are equal in magnitude but opposite in direction
- 5. Force forces that are not equal in magnitude and may or may not act in the same direction
- 7. a coherent, typically large body of matter with no definite shape
- 8. body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing