Across
- 4. able to be magnetised or be attracted to a magnet
- 8. force the vector sum of numerous forces, whose direction is opposite to the motion of a body
- 9. the amount of matter in a body
- 12. increase in velocity over time
- 13. the resistance that one surface or object encounters when moving over another
- 15. A speed in a direction
- 16. the quantity of motion of a moving body, measured as a product of its mass and velocity.
- 17. apply a force to (something) which tends to stretch it.
- 19. when the speed has the same value throughout its journey
Down
- 1. an adjective that describes the force which attracts objects between each other
- 2. a body's relative mass
- 3. A fixed pin or short axis
- 5. the length of the space between two points
- 6. a decrease in rate of change of velocity
- 7. quantity, amount or distance of something
- 10. a quantity that has both magnitude and direction
- 11. not much
- 14. the condition in which people or objects appear to be weightless
- 18. increase in acceleration over time