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Across 1. the english measurement for weight 4. devises for doing work 8. the metruc unit for weight 9. one of the versatile of a simple machine 11. the tendency of matter to stay at rest if at rest, or to continue moving at a constant velocity in motion 12. the distance covered by a moving object in a unit of time 13. th force the machine helps us overcome 16. a measurement to determine an object's motion 17. the ability to do work 18. stored up energy 20. a sloping platform that enables anything to move to a higher position 25. the movement of an object by a force 26. the attraction which allows molecules of a different kind of matter to stick together 28. the amount of space a substance occupies 29. the effort is applied at one end 30. anything which occupies space, has substance, and under ordinary conditions 32. the energy of motion 33. a quantity of matter 34. a measurement of the pull of gravity upon an object

Down 1. a simple machine consisting of a grooved wheel 2. the pushing or pulling action of one object upon another 3. the resistance caused by moving one object against another 5. the pivot point upon which the beam rests 6. the mass per unit volume of a substance 7. the rate of doing work 10. the resistance is moved at the other end 14. the english unit of work and energy 15. the study of matter and energy 19. a special kind of inclined plane that modifies force and changes its direction to the sides 21. the force we apply to a machine 22. the metric unit of work and energy 23. the attraction that allows molecules of th same kind of matter to stick together 24. a measurement to determine how far something has moved 27. a definite shape and occupies a definite amount of space 31. the most basic unit of a substance