Newton's Laws of Motion

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Across
  1. 2. The force of gravity between any two objects is the ___ force.
  2. 3. The force exerted by a machine is called the ___ force.
  3. 6. The force of gravity on a planet determines the ___ of an object.
  4. 11. The equation for ___ is W=Fd.
  5. 12. The act of changing position is known as ___.
  6. 14. ___ is found by dividing the change in the velocity of an object by the change in time.
  7. 15. The number of times a machine multiplies the effort force determines its mechanical ___.
  8. 19. ___ forces work against motion.
  9. 20. A force that is opposite in direction and equal in size (has a net-force of zero) is a ___ force.
  10. 21. The amount of matter in an object is called the ___ of an object.
  11. 23. The combination of all forced acting up on an object is referred to as the ___ ___.
Down
  1. 1. Newton's ___ Law of motion may also be called the Law of Inertia.
  2. 4. The unit used to measure force is called a ___.
  3. 5. The measure of speed in a given direction is ___.
  4. 7. When the force of air resistance becomes large enough to balance the force of gravity, it is then you reach ___ velocity.
  5. 8. Newton's ___ Law of motion is represented by the calculation F=ma.
  6. 9. The distance an object moves per unit of time is called the ___ of an object.
  7. 10. The action that changes the motion of an object is called the ___.
  8. 13. Newton's First Law demonstrates the law of ___.
  9. 16. The force applied to a simple machine is called the ___ force.
  10. 17. Machines that work with a single motion is known as a ___ machine.
  11. 18. A force that is not equal and opposite is referred to as an ___ force.
  12. 22. The unit used to measure work is called a ___.
  13. 24. Newton's ___ Law of motion may also be called the Law of action/reaction.