Newton's Law of Motion Quiz
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Questions and Answers

What is the unit of force according to Newton's second law?

  • 1 N = 1 kg.m/s3
  • 1 N = 1 kg.m/s4
  • 1 N = 1 kg.m/s
  • 1 N = 1 kg.m/s2 (correct)
  • Which law states 'The acceleration of an object is DIRECTLY PROPORTIONAL to the net force acting on it, is in the same direction as the net force, and is INVERSELY PROPORTIONAL to its mass'?

  • Newton's second law (correct)
  • Law of Inertia
  • Newton's third law
  • Newton's first law
  • Which force acts parallel to the surface opposite to the direction of motion of the body?

  • Tension force
  • Air resistance force
  • Friction force (correct)
  • Net force
  • What property of an object is roughly a measure of its inertia?

    <p>Mass</p> Signup and view all the answers

    Which diagram is used to show the relative magnitude and direction of all forces acting upon an object in a given situation?

    <p>Free-body diagram</p> Signup and view all the answers

    Which type of force is exerted on an object by a surface it is in contact with?

    <p>Normal force</p> Signup and view all the answers

    What is the direction of the normal force exerted by a surface on an object?

    <p>Always perpendicular to the surface</p> Signup and view all the answers

    Which force is a downward gravitational force exerted by Earth on an object?

    <p>Gravity force</p> Signup and view all the answers

    What does the term 'Fapp' represent in the context of forces?

    <p>Applied Force</p> Signup and view all the answers

    In the context of forces, what does 'Dynamics' refer to?

    <p>Study of causes of motion</p> Signup and view all the answers

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