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Newton's Second Law of Motion Quiz

Quiz by Mr.MD Showket Hasan

Grade 8
Science
Thailand Core Curriculum

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20 questions
Show answers
  • Q1
    Which of the following best defines inertia?
    The tendency of an object to resist changes in its motion
    The amount of matter contained in an object
    The force that causes an object to move
    The energy an object possesses due to its motion
    30s
    SC8.FM.1
  • Q2
    An object at rest will remain at rest, and an object in motion will continue in motion at a constant velocity unless acted upon by:
    A net force
    Friction
    Gravity
    A magnetic force
    30s
  • Q3
    According to Newton's Second Law, if the net force acting on an object doubles, the object's acceleration will:
    Quadruple
    Halve
    Remain the same
    Double
    30s
  • Q4
    Two objects, one with a mass of 5 kg and the other with a mass of 10 kg, are subjected to the same force. Which object will experience greater acceleration?
    They will experience the same acceleration
    It depends on the direction of the force
    The 10 kg object
    The 5 kg object
    30s
  • Q5
    What is the relationship between the direction of the net force acting on an object and the direction of its acceleration?
    They are always in the same direction
    They are always in opposite directions
    They are always perpendicular to each other
    There is no relationship
    30s
  • Q6
    How does the mass of an object affect its inertia?
    Mass does not affect inertia
    Objects with greater mass have less inertia
    Objects with greater mass have greater inertia
    Inertia depends on the shape of the object, not its mass
    30s
  • Q7
    Which of the following situations results in a non-zero net force acting on the object?
    A car moving at a constant velocity
    A satellite orbiting Earth at a constant speed
    A ball being thrown upwards
    A book resting on a table
    30s
  • Q8
    The weight of an object is:
    Independent of the gravitational field
    The force exerted on an object due to gravity
    The amount of matter in an object
    The same as its mass
    30s
  • Q9
    Two forces of equal magnitude but opposite directions act on an object. What is the net force acting on the object?
    The difference between the magnitudes of the two forces
    It depends on the mass of the object
    Zero
    The sum of the magnitudes of the two forces
    30s
  • Q10
    Which of the following best describes the unit of force, the Newton?
    The amount of force needed to lift a 1 kg object
    The amount of force needed to move a 1 kg object over a distance of 1 meter
    The amount of force exerted by Earth's gravity on a 1 kg mass
    The amount of force needed to accelerate a 1 kg mass at a rate of 1 m/s²
    30s
  • Q11
    A car with a mass of 1500 kg accelerates at a rate of 2 m/s². What is the net force acting on the car?
    3000 N
    1500 N
    6000 N
    750 N
    30s
  • Q12
    A box is pushed with a force of 50 N, resulting in an acceleration of 2.5 m/s². What is the mass of the box?
    125 kg
    20 kg
    12.5 kg
    250 kg
    30s
  • Q13
    A 10 kg object experiences a net force of 25 N. What is the object's acceleration?
    25 m/s²
    250 m/s²
    2.5 m/s²
    0.4 m/s²
    30s
  • Q14
    An object accelerates from rest to a velocity of 10 m/s over a time of 5 seconds. What is the object's acceleration?
    0.5 m/s²
    50 m/s²
    2 m/s²
    5 m/s²
    30s
  • Q15
    A force of 100 N is applied to a 20 kg object initially at rest on a frictionless surface. How far will the object travel in 5 seconds?
    6.25 m
    25 m
    100 m
    12.5 m
    30s

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