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5 Written questions

5 Matching questions

  1. Newton's 3rd Law of Motion
  2. Push/pull
  3. Gravity
  4. Equilibrium
  5. Electricity
  1. a a force that pulls everything toward the center of the Earth
  2. b When all the forces act on an object that are balanced and the object doesn't move; no net force.
  3. c will demonstrate in class
  4. d the flow of electrically charged particles, electrons, between objects.
  5. e When the 1st object puts a force on a 2nd object, the 2nd object will put a force back on the 1st object as well. Exam: using a hammer to pound a nail, the hammer is creating a force on the nail and the nail is creating a force back on the hammer.

5 Multiple choice questions

  1. a force that moves an object; no work is done if an object doesn't move. Force X Distance = Work
  2. the speed & direction of an object's motion
  3. the force that slows down objects by rubbing against them
  4. An object in motion will stay in motion unless a force acts on it. An object at rest will stay at rest unless a force acts on it.(No Net Force)
  5. When 1 object exerts more force on another object and movement occurs. Forces may be in the same direction or opposite directions, but there is movement. There is a Net Force.

5 True/False questions

  1. Joulesends of magnets and the North Pole and South Pole: Positive & Negative poles, opposites attract (a + and - or (North & South); like poles repel (push away: South & South, North & North, 2 + or 2-)

          

  2. Machinea tool or device that makes work easier by changing the direction or the amount of force needed to move an object; DOES NOT make less work.

          

  3. Powerends of magnets and the North Pole and South Pole: Positive & Negative poles, opposites attract (a + and - or (North & South); like poles repel (push away: South & South, North & North, 2 + or 2-)

          

  4. Net Forcea push or pull that acts on an object

          

  5. Balanced ForcesWhen 1 object exerts more force on another object and movement occurs. Forces may be in the same direction or opposite directions, but there is movement. There is a Net Force.