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Gravity and normal forces

Quiz by shilpa pai

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8 questions
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  • Q1
    What force causes objects to fall towards the Earth?
    Electromagnetism
    Magnetism
    Friction
    Gravity
    30s
  • Q2
    What is the normal force?
    The force that causes objects to fall towards the Earth.
    The force exerted by a surface to support the weight of an object resting on it.
    The force exerted by an object on a surface.
    The force of gravity on an object.
    30s
  • Q3
    Which force opposes the motion of an object on a horizontal surface?
    Friction
    Magnetism
    Gravity
    Tension
    30s
  • Q4
    What is the relationship between the weight of an object and the normal force acting on it?
    The normal force is greater than the weight.
    The weight is greater than the normal force.
    The weight and the normal force are equal in magnitude and opposite in direction.
    The weight and the normal force are unrelated.
    30s
  • Q5
    What is the direction of the normal force exerted by a surface on an object?
    Perpendicular to the surface.
    Opposite to the surface.
    At an angle to the surface.
    Parallel to the surface.
    30s
  • Q6
    When an object is in free fall, what is the magnitude of the normal force acting on it?
    Double its weight
    Equal to its weight
    Depends on the object's mass
    Zero
    30s
  • Q7
    Which of the following forces keeps planets in orbit around the Sun?
    Magnetism
    Fluid resistance
    Gravity
    Friction
    30s
  • Q8
    What is the relationship between the normal force and the weight of an object on a flat surface?
    The normal force is greater than the weight of the object.
    The normal force depends on the object's mass.
    The normal force is smaller than the weight of the object.
    The normal force is equal in magnitude and opposite in direction to the weight of the object.
    30s

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