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Force and Motion

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