Across
- 2. The force that the Earth exerts on the objects near its centre.
- 4. The unit of force in the International System of Units.
- 5. The force of attraction or repulsion between magnets.
- 9. The force exerted on a object by a surface that supports it.
- 11. change of velocity or speed.
- 12. The force that opposes the movement at the interface between two objects in contact.
Down
- 1. The force of attraction or repulsion between electrical charges.
- 3. Scientist who studied the relationship between the force exerted on a spring and its elongation.
- 6. The force of attraction between the masses of objects.
- 7. Pushing, pulling or deformation of an object resulting from its interaction with another object.
- 8. Instrument that measures forces based on the resilient deformation of a calibrated spring.
- 10. The rate at which an object moves.