Science Unit Crossword Puzzle

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Across
  1. 1. he vector sum of forces acting on a particle or object
  2. 4. states that the force F acting on a body is equal to the mass m of the body multiplied by the acceleration a of its centre of mass, F = ma, is the basic equation of motion in classical mechanics.
  3. 5. if a body is at rest or moving at a constant speed in a straight line, it will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.
  4. 7. increase in the rate or speed of something
  5. 9. a tendency to do nothing or to remain unchanged.
  6. 10. the rate at which someone or something is able to move or operate
  7. 12. the speed of something in a given direction
Down
  1. 2. states that when two bodies interact, they apply forces to one another that are equal in magnitude and opposite in direction
  2. 3. the force applied in one direction is greater than the force applied in the opposite direction
  3. 6. equal in size and opposite in direction
  4. 8. a coherent, typically large body of matter with no definite shape.
  5. 11. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.