Physics Unit 4

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Across
  1. 2. A force from impact over an amount of time, or change in momentum. Units are Newtons multiplied by seconds
  2. 5. mass moving with velocity. Units are kilograms multiplied by meters per second
  3. 7. Force that resists movement
  4. 9. A force due to gravity from the planet we are on. Units are Newtons.
  5. 12. change in velocity per amount of time. Units are meters per second per second
  6. 14. Forces that are unequal and opposite direction.
  7. 16. sudden impulsive interaction when two bodies strike each other (3rd Law)
  8. 17. Force needed to begin movement
  9. 18. Measure of the angle of falling over. Units are degrees.
Down
  1. 1. speed with direction. Units are meters per second
  2. 3. Sum of all Forces
  3. 4. action and reaction between two objects (3rd Law)
  4. 6. Force pushing back perpendicularly against an object. Example the floor pushes against a person
  5. 8. An object will continue what it is doing: staying still or moving at a constant speed in a constant direction
  6. 10. Quantity that has magnitude and direction. Examples are force, velocity, acceleration.
  7. 11. A push or a pull of an object. Units are Newtons
  8. 13. Forces of equal size and opposite direction
  9. 15. The amount of something. Units are kilograms