Physics Unit 4 2nd

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Across
  1. 3. A push or pull on an object.Units are Newtons (N).
  2. 4. is change in momentum. Units are kilograms * meters/seconds
  3. 8. force produced when bodies strike each other (3rd law.Force is equal to Impulse divided by time.
  4. 10. quantity that has magnitude and direction.Examples are velocity, force, acceleration, momentum.
  5. 13. action and reaction between two objects. (3rd Law)
  6. 17. an object will continue its current motion until some force causes it's speed or direction to change.
  7. 18. measure the angle of falling over. Units are in degrees.
  8. 19. the sum of all the forces acting on an object.Sometimes called the “resultant.”
Down
  1. 1. a mass moving with velocity. Units kilograms * meters/seconds. equal to a mass multiplied by velocity.
  2. 2. speed with a direction.Units meters per second. Equal to distance divided by time.
  3. 5. the forces are equal in size and opposite in direction.The result will be no movement.
  4. 6. force that resists movement
  5. 7. a force due to gravity from the planet we are on. “Force of gravity” on an objectunits are Newtons (N).
  6. 9. change in velocity per an amount of time.Units meters/second/second.Examples: speeding up, slowing down, or changing direction. Acceleration is equal to a change in velocity divided by time.
  7. 11. the forces are unequal in size in and in opposite directions.The result will be acceleration in one direction.
  8. 12. the force of the ground pushing back against an object.
  9. 13. is mass experienced a change in velocity. Units are kilograms * meters/seconds
  10. 14. force needed to begin movement. Units are Newtons.
  11. 15. is force for some amount of time. Units Newtons * seconds
  12. 16. The amount of something. Units are kilograms (kg).