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FORCE AND MOTION

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  • Which forces are acting here?
    GRAVITY, AIR RESISTANCE, NORMAL FORCE
  • What pulls a ball back to earth?
    GRAVITY
  • This simple machine is a lever or a pulley?
    LEVER
  • In the image, what force is acting on arrow A?
    GRAVITY
  • If you pull the cord, what direction will the box move?
    UPWARDS
  • What are two examples of forces?
    PUSH AND PULL
  • THE MASS OF AN OBJECT IS MEASURED IN __________
    KILOGRAMS
  • The greatest amount of force is required to move the metal block up which inclined plane?
    C
  • which has the least friction, a snowboard on a snowy hill or a runner on a track?
    SNOWBOARD
  • A train that travels 100 kilometers in 4 hours is traveling at what average speed? Remember: Speed= distance/time
    400 KM/H
  • Which of Newton's Laws says that objects with greater mass require more force to accelerate them?
    3RD LAW
  • The tendency of an object to continue moving is ___________________
    INERTIA
  • Which of Newton's Laws says that objects with greater mass require more force to accelerate them?
    2ND LAW
  • 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 does Newton´s 3rd Law of motion state?
    FOR EVERY ACTION THERE´S AN EQUAL OPPOSITE REACTION
  • A type of friction that occurs when air pushes against a moving object causing it to decelerate
    AIR RESISTANCE
  • THE WEIGHT OF AN OBJECT IS MEASURED IN ...............
    NEWTONS
  • A object with a lot of mass needs more force or less force to be moved?
    MORE
  • How is this simple machine called, ramp or inclined plane?
    INCLINED PLANE
  • What type of force does this picture show?
    PULL
  • What is a force that opposes motion between two surfaces?
    FRICTION
  • For a machine to work you need to use a force. Is this true or false?
    TRUE
  • If these boys are pulling with the same amount of force. What will happen?
    THEY WON´T MOVE
  • which is the weight of a girl whose mass is 35 kg?
    350 N
  • Why does a crumpled piece of paper land before a flat sheet of paper?
    THE FLAT PAPER HAS MORE AIR RESISTANCE
  • Which law of motion states the idea of inertia?
    1ST LAW
  • what force moves an object away from you?
    PUSH
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