Across
- 4. an object at rest stays at rest until an external force acts on it.
- 7. rate at which velocity changes with time, in terms of both speed and direction.
- 9. The speed of something in a given direction
- 13. An act of changing positions
- 14. And Axle simple lifting machine
Down
- 1. force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second.
- 2. force that resists the sliding or rolling of one solid object over another.
- 3. Wheel that carries flexible rope
- 5. a simple machine having a sharp edge which is formed by putting two inclined planes together
- 6. The amount of matter contained in the body
- 8. The act of turning a screw
- 10. Rigid Pivot bar
- 11. for every force in nature there is an equal and opposite reaction
- 12. strength or energy as an attribute of physical action or movement.