Physics 7 Review

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Across
  1. 2. in the formula weight=mg, g represents
  2. 4. A procedure meant to test Your Hypothesis in the scientific method?
  3. 5. SI unit for time.
  4. 6. Equal forces acting on an object in opposite directions.
  5. 9. A person hikes 2120 meters east in 25mins, takes a break for lunch for half hour, and hikes back 1640m west in 20 mins. 3760m represents the persons____.
  6. 11. When an object's acceleration and therefore net force are zero
  7. 13. 1/2mv^2 is the formula for
  8. 14. A measure of the amount of matter in an object.
  9. 15. distance/time
  10. 17. A possible solution to a problem (part of the scientific method)
  11. 19. velocity X mass
Down
  1. 1. __________=mgh
  2. 3. kinetic energy + potential energy =
  3. 7. mass x acceleration
  4. 8. A place or object used for comparison to determine if an object is in motion.
  5. 10. the tendency of a body to maintain is state of rest or uniform motion unless acted upon by an external force
  6. 12. Force x Distance
  7. 14. when an object's position changes relative to a reference point
  8. 16. force that opposes motion of an object when two surfaces are in contact
  9. 18. work/time