# Physics

##### Across
1. 3. are quantities with both magnitude and direction
2. 5. resistance which opposes the movement of the one body over another
3. 6. unit of mass
4. 7. production of force and the distance through which it acts
5. 9. the product of force and its perpendicular distance from the point of support
6. 13. has a frame of reference
7. 14. unit of work
8. 16. the time rate of change of displacement
9. 19. rate of doing work
10. 20. a comparison
11. 22. doesn't change the state of motion
12. 24. defined as the ratio of the mass and volume, weight and volume
13. 25. unit of force
14. 26. product of force and time
15. 27. velocity at an instant
##### Down
1. 1. friction at rest
2. 2. are quantities with magnitude only
3. 4. a single vector which represents the sum of two or more vectors
4. 5. a push or pull exerted by a body
5. 8. path of projectile
6. 10. unit of power
7. 11. friction in motion
8. 12. product of mass and density
9. 15. the ability to do work and the transformation that they produce
10. 17. the time of change of velocity
11. 18. the coefficient of friction
12. 21. the horizontal distance traveled by the object
13. 23. Newtonâ€™s first law of motion