Newton's Law of Motion Vocab

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Across
  1. 1. states that the acceleration, a, of an object is directly related to the net force, F, applied to the object and inversely related to the mass, m, of the object. Shown by F = ma
  2. 5. is the transfer of energy when an applied force moves an object over a distance. For work to be done the force applied must be in the same direction as the movement of the object and the object must move a certain distance. (W = Fd)
  3. 12. work against motion
  4. 14. the tendency of an object to resist a change in motion
  5. 15. the distance an object moves per unit of time
  6. 16. an action that can change the motion of an object. A push or a pull is an example of a force.
  7. 19. the force exerted by the machine
  8. 22. the force applied to a simple machine
  9. 23. the amount of matter in an object
Down
  1. 2. dividing the change in the velocity of the object by the change in time
  2. 3. is the number of times a machine multiplies the effort force
  3. 4. occurs when the force of air resistance becomes large enough to balances the force of gravity. At this instant in time, the net force is 0 Newtons; the object will stop accelerating.
  4. 6. the act or process of changing position or place.
  5. 7. a measure of speed in a given direction
  6. 8. the unit used to measure work
  7. 9. Force forces that are opposite in direction and equal in size, cause no change in motion, and the net force equals 0.
  8. 10. Force forces that are not opposite and equal.
  9. 11. states that an object at rest will stay at rest unless it is acted upon by an unbalanced force. An object in motion will continue to move in the same direction and with the same speed unless acted upon by an unbalanced force.
  10. 13. machines that work with one movement. The 6 simple machines are lever, pulley, inclined plane, wedge, screw, and wheel and axle.
  11. 17. the force due to gravity-Equal to the product of the object's mass and the acceleration of gravity (w = mg).
  12. 18. the unit used to measure force
  13. 20. Law states that forces occur as equal and opposite pairs. For every action force there is an equal and opposite reaction force.
  14. 21. Force the combination of all of the forces acting on an object.