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Force and Motion

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  • Which force pulls objects toward the Earth?
    Electricity
    Gravity
    Friction
    Magnetism
  • True or False: An object moving in a straight line at constant speed has no net force acting on it.
    False
    True
  • What happens when unbalanced forces act on an object?
    It disappears
    It stays the same
    It changes its motion
    It splits in two
  • True or False: Pushing and pulling are the only ways to apply force.
    True
    False
  • Which law states that Force = Mass × Acceleration?
    Newton’s First Law
    Law of Momentum
    Newton’s Second Law
    Newton’s Third Law
  • True or False: Gravity only affects things that are moving.
    True
    False
  • True or False: A heavier object always accelerates slower than a lighter one under the same force.
    False
    True
  • What is a “force” in physics?
    Only magnetism
    Only gravity
    Only something heavy
    A push or a pull
  • What does friction do?
    It makes motion invisible
    It stops gravity
    It resists motion
    It speeds up motion
  • Why do objects slow down in water or air?
    Because of gravity only
    Because of them being light
    Because of resistance from the fluid
    Because of magic
  • What is acceleration?
    Time only
    Distance only
    The change in speed or direction
    Speed only
  • True or False: Friction can slow down or stop motion.
    True
    False
  • Which law says “an object at rest stays at rest and an object in motion stays in motion”?
    Newton’s First Law
    Law of Conservation of Energy
    Newton’s Third Law
    Newton’s Second Law
  • What happens if you push an object harder?
    It stays the same
    It becomes invisible
    It floats up
    Its motion can change more
  • What happens when you slide a box on carpet vs on ice?
    No friction anywhere
    More friction on carpet
    Same friction both
    More friction on ice
  • True or False: If forces on an object are balanced
    True
    the object will continue moving at constant velocity.
    False
  • Which one is an example of motion?
    Rock lying on ground
    Book closed on shelf
    Tree standing still
    A car moving down a street
  • True or False: Increasing the net force on an object increases its acceleration.
    True
    False
  • Why is it harder to push a heavy object than a light one?
    Because it’s moving
    Because it’s bigger
    Because it has more mass
    Because it’s colourful
  • True or False: Magnetism and gravity are both forces.
    False
    True
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