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Science Review Forces and Motion

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    Newtons Laws and more
  •   Study   Slideshow
  • What is Newton's first Law?
    Inertia- an object at rest stays at rest, an object in motion stays in motion until an outside force acts against it
  •  10
  • What is Newton's second Law
    The law of acceleration, F=MA
  •  15
  • What is the force of a volleyball that weighs 2g and is traveling at a speed of 15m/s?
    30N
  •  15
  • What is the force of a rocket launched that weighs 65.5kg and is traveling at a speed of 34 m/s?
    196.5N
  •  25
  • What is an example of Newton's second law?
    Answers vary
  •  20
  • What is an example of Newton's first law. You can't use anything we have done in class!
    Answers vary
  •  10
  • What is the definition of a balanced force?
    A force that is being pushed/pulled in opposite directions with the same amount of force.
  •  15
  • What makes a force unbalanced?
    A change in some way. More force being applied in a certain direction
  •  5
  • What is Newton's third law?
    The action reaction law. For every action, there is an equal and opposite reaction?
  •  15
  • What is the BEST example of Newton's third law? a) Miss Comley on skates pushing Duell in a chair who then moves forward while the force of Duell pushes Miss Comley backwards b) Silas flying through the sky c) Catching a ball in the air
    A
  •  10
  • What is the definition of a net force?
    The total sum of all of the forces acting on the object?
  •  20
  • Come up with a net force question for other groups to answer. You must be able to get your own problem correct as well!!
    Answers vary
  •  25
  • Find the net force. An object with a force pushing in the same direction (right). One force is 13N the other is 56N
    69N right
  •  20
  • Find the net force. An object with forces pushing in opposite directions. One pushing left with a force of 76N and one pushing right with 39N.
    37N left
  •  25
  • What is a pulley system?
    Mechanical device that can be used to lift heavy objects more easily. It consists of a wheel that rotates on an axle with a rope.
  •  15
  • What is a wedge?
    simple machine that is used to break apart the substances by applying force.
  •  10