science

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Across
  1. 2. Force /An unbalanced force is a force that changes the position, speed or direction of the object to which it is applied
  2. 3. / newton is the Standard International unit of force
  3. 5. / strength or energy as an attribute of physical action or movement.
  4. 6. “When one object exerts a force on a second object, the second one exerts a force on the first that is equal in magnitude and opposite in direction.”
  5. 7. / the resistance that one surface or object encounters when moving over another.
  6. 9. force / a net force is acting on an object,
Down
  1. 1. increase in the rate or speed of something.
  2. 4. /means the force (F) acting on an object is equal to the mass (m) of an object
  3. 8. / a tendency to do nothing or to remain unchanged