1. 2. push or pull on an object
  2. 5. a measure of the compactness of a substance, expressed as its mass per unit volume
  3. 7. an object in motion stays in motion
  4. 8. the state in which one objects distance from another is changing
  5. 11. a substance, body, or system that conducts electricity, heat, etc.
  6. 14. a speed in any direction
  7. 16. of conservation of energy the law that states that energy cannot be created nor destroyed but can be changed from one form to another
  8. 20. the entity as a source of nuclear energy
  9. 21. fall when the only force acted on an object is gravity
  10. 22. the force that pulls objects towards each other
  11. 23. the rate in which the velocity changes
  12. 24. the force between two rubbing surfaces
  13. 25. velocity the maximum speed possible while free falling
  14. 27. force forces that produce a nonzero net force
  15. 29. the capacity of a physical system to do work
  16. 30. a flow of electric charge through a conductor
  17. 31. third law for every action there is an equal opposite reaction
  18. 33. the random thermal motion of atoms, molecules, clusters of atoms, et, in gases, liquids, and some solids
  19. 34. the amount of energy transferred or converted
  20. 35. force equal force acting on an object in different directions
  21. 36. second law the acceleration of an object depends on the mass of the object and the amount of force applied
  1. 1. the product of a body's mass and velocity
  2. 3. energy the mechanical energy that a body has by virtue its position
  3. 4. quantity of matter
  4. 6. mechanical vibrations transmitted by an elastic medium
  5. 9. force the overall force on an object
  6. 10. energy the mechanical energy that a body has by virtue of its motion
  7. 12. the process by which masses of relatively warm air are raised into the atmosphere, often cooling and forming clouds, which compensatory downward movements of cooler air
  8. 13. point A place used for comparison to determine if something is in motion
  9. 15. produced by reactions involving atomic or molecular changes
  10. 17. constituting the core or central part
  11. 18. friction friction which keeps things still
  12. 19. a linear interval of space
  13. 26. plains a flat surface which has a slope
  14. 28. a deviation in the direction of a wave at the edge of an obstacle in its path
  15. 32. the distance an object travels per unit of time