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Forces in physics and Newton’s law of mechanics

Quiz by Sorawit Lappisatepun

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10 questions
Show answers
  • Q1
    According to Newton's second law of motion, what is the relationship between force, mass, and acceleration?
    Force equals mass divided by acceleration
    Force equals mass times acceleration
    Force equals mass minus acceleration
    Force equals mass plus acceleration
    30s
  • Q2
    What does Newton's first law of motion state about an object at rest?
    An object at rest can only be moved by a force equal to its mass
    An object at rest stays at rest unless acted upon by a net external force
    An object at rest will start moving on its own
    An object at rest will eventually move due to gravity
    30s
  • Q3
    Which of the following best describes the concept of inertia?
    The acceleration of an object in motion
    The gravitational pull on an object
    The force required to move an object
    The tendency of an object to resist changes in its state of motion
    30s
  • Q4
    According to Newton's third law of motion, what happens when an object exerts a force on another object?
    The first object will exert a greater force on the second object
    The second object exerts an equal and opposite force on the first object
    The second object's force will be greater than the first object's force
    The first object will move while the second object stays stationary
    30s
  • Q5
    If a 5 kg object is accelerating at a rate of 2 m/s², what is the net force acting on it according to Newton's second law?
    7 N
    2 N
    5 N
    10 N
    30s
  • Q6
    What is the unit of force in the International System of Units (SI)?
    Newton
    Joule
    Pascal
    Watt
    30s
  • Q7
    If an object is in free fall, what is the only force acting on it, neglecting air resistance?
    Friction
    Gravity
    Buoyancy
    Tension
    30s
  • Q8
    What does the term 'net force' refer to in physics?
    The gravitational force acting on an object
    The force required to start moving an object from rest
    The force opposing motion, such as friction
    The total force acting on an object, considering all applied forces
    30s
  • Q9
    When two equal and opposite forces act on an object, what is the resulting effect on the object's motion?
    The object accelerates
    The object changes direction
    The object gains speed
    The object remains in its state of motion
    30s
  • Q10
    If a car is moving with a constant velocity, what can be said about the forces acting on it?
    The car is experiencing a strong friction force
    The car is gaining speed
    The net force acting on the car is zero
    The car is accelerating
    30s

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