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5 Written Questions

5 Matching Questions

  1. Inertia
  2. Power
  3. Poles
  4. Newton's 2nd Law of Motion
  5. Complex Machine
  1. a a machine made of more than one simple machine
  2. b the relationship between mass, acceleration & force. Force = Mass X Acceler.
  3. c the force that keeps objects moving in a straight line; resists a change in motion
  4. d ends 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-)
  5. e work is done in a certain time. Work divided by time = power; measured in Watts

5 Multiple Choice Questions

  1. a force that pulls everything toward the center of the Earth
  2. the distance an object moves during a certain amount of time (miles per second; mph) Average speed = Distance divided by time
  3. When a force acts on an object and causes it to move (may be in the same direction or in opposite directions).
  4. 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. When 2 objects exert an equal and opposite force on each other.There is no movement!

5 True/False Questions

  1. Magnetismmovement of objects, people, or animals in many different directions

          

  2. Machinemovement of objects, people, or animals in many different directions

          

  3. Worka force that moves an object; no work is done if an object doesn't move. Force X Distance = Work

          

  4. DistanceForce is measured in units called Newtons (not the cookie)

          

  5. Velocitya force that pulls everything toward the center of the Earth

          

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