Unit 7 Force & Motion

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Across
  1. 3. The supportive force exerted by a surface on an object resting on it, acting perpendicular to the surface.
  2. 6. For every action force, there is an equal and opposite reaction force that occurs at the same time.
  3. 8. The overall force acting on an object, found by combining all individual forces, and measured in Newtons (N).
  4. 9. Forces that act with equal strength but in opposite directions at the point where two objects interact.
  5. 10. A force that causes attraction or repulsion between materials, especially those containing iron, due to the movement of electric charges.
Down
  1. 1. Forces that are not equal in size, causing a change in the object’s motion, with a net force that does not equal zero.
  2. 2. A force that attracts objects toward the center of the Earth or any other massive body.
  3. 4. A force that is directly exerted on an object by an external source, such as a person, another object, or a machine, typically to initiate or alter the object’s motion.
  4. 5. Forces that are equal in magnitude but opposite in direction, acting on an object in such a way that there is no acceleration or change in motion, resulting in a net force of zero.
  5. 7. A force that slows down or stops the movement of an object by acting in the opposite direction.