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FORCE AND MOTION

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  • Why does a crumpled piece of paper land before a flat sheet of paper?
    THE FLAT PAPER HAS MORE AIR RESISTANCE
  • Which has the least friction, a snowboard on a snowy hill or a runner on a track?
    SNOWBOARD
  • force that slows down an object by rubbing against another surface
    friction
  • If a rock and a wad of paper were dropped from the same height, which will hit the ground first?
    rock
  • What pulls a ball back to earth?
    GRAVITY
  • Which of Newton's Laws says that objects with greater mass require more force to accelerate them?
    2ND LAW
  • An object that is further off the ground will have ____ gravitational pull.
    less
  • Which law of motion states the idea of inertia?
    1ST LAW
  • In the image, what force is acting on arrow A?
    GRAVITY
  • A ball is moving in a certain direction. What would happen to the ball if a greater force was applied on the ball along its direction of motion?
    THE BALL WILL ACCELERATE
  • What is a force that opposes motion between two surfaces?
    FRICTION
  • THE FORCE OF AN OBJECT IS MEASURED IN ...............
    NEWTONS
  • What two factors affect gravity?
    mass and distance
  • A object with a lot of mass needs more force or less force to be moved?
    MORE
  • The greatest amount of force is required to move the metal block up which inclined plane?
    C
  • If these boys are pulling with the same amount of force. What will happen?
    THEY WON´T MOVE
  • If two forces are equal and opposite in direction, what are they called?
    balanced force
  • THE MASS OF AN OBJECT IS MEASURED IN __________
    GRAMS
  • A type of friction that occurs when air pushes against a moving object causing it to decelerate
    AIR RESISTANCE
  • What does Newton´s 3rd Law of motion state?
    FOR EVERY ACTION THERE´S AN EQUAL OPPOSITE REACTION
  • What type of force is required for an object to move?
    unbalanced force
  • The tendency of an object to continue moving is ___________________
    INERTIA
  • The larger the mass, the __________ gravity will pull on the object.
    more