Across
- 2. the SI unit of work or energy
- 6. A quantity that has magnitude but no particular direction is described as scalar. A quantity that has magnitude and acts in a particular direction is described as vector.
- 7. a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.
- 9. a change in speed or change in direction and an acceleration in speed
- 10. a rigid bar resting on a pivot, used to move a heavy or firmly fixed load with one end when pressure is applied to the other.
- 11. a discrete quantity of energy proportional in magnitude to the frequency of the radiation it represents.
- 12. the quantity of motion of a moving body, measured as a product of its mass and velocity.
- 13. The amount of matter in an object and it's force exerted by an object
- 15. Speed with direction
- 16. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass.
- 17. energy which a body possesses by virtue of being in motion.
Down
- 1. the energy contained within a system that is responsible for its temperature
- 3. he SI unit of pressure, equal to one newton per square metre
- 4. action and reaction
- 5. the point against which a lever is placed to get a purchase, or on which it turns or is supported.
- 6. a scalar quantity, is the rate at which an object covers distance
- 8. the resistance that one surface or object encounters when moving over another.
- 14. increase in speed or rate.