Conservation of Linear Momentum and Newton's Laws Quiz
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Questions and Answers

According to Newton’s first law, what can be said about a body when the net external force acting on it is zero?

  • It moves in a circular path
  • It accelerates
  • It increases velocity continuously
  • It remains at rest (correct)
  • What is the quantity called that is defined as the product of mass and velocity of a particle?

  • Frictional force
  • Linear momentum (correct)
  • Acceleration
  • Inertia
  • If a system of particles experiences no net external force, according to the law of conservation of momentum, what happens to the total momentum of the system?

  • It decreases
  • It becomes zero
  • It remains constant (correct)
  • It increases
  • What does Newton's third law of motion state about the forces between two interacting bodies?

    <p>They are opposite and equal</p> Signup and view all the answers

    When can concurrent forces be considered to be in equilibrium?

    <p>When their resultant is zero</p> Signup and view all the answers

    According to Newton's second law of motion, what happens to the momentum of a body when no force acts on it?

    <p>It remains unchanged</p> Signup and view all the answers

    What type of force acts on a body when it tries to slide or roll along a surface?

    <p>'Frictional' force</p> Signup and view all the answers

    How does Newton's third law contribute to the conservation of momentum in a system of two bodies?

    <p>It ensures that the total momentum of the system is constant</p> Signup and view all the answers

    For an isolated system of two bodies A and B interacting with each other, what does Δptotal = 0 imply?

    <p>The total momentum of the system remains constant</p> Signup and view all the answers

    How is momentum conserved in a collision where two bodies interact with each other for a period of time?

    <p>The total change in momentum for both bodies is zero</p> Signup and view all the answers

    In the context of the recoil of a gun when a bullet is fired, how does the law of conservation of momentum explain the velocity of gun recoil?

    <p>The gun recoils at a velocity inversely proportional to the bullet's mass</p> Signup and view all the answers

    What conclusion can be drawn about an isolated system if there is no change in the total momentum?

    <p>The total momentum in that system is conserved</p> Signup and view all the answers

    What is the term used for a reference frame relative to which a body in translatory motion has constant velocity when no net external force acts on it?

    <p>Inertial frame of reference</p> Signup and view all the answers

    According to Newton's first law of motion, what happens to a body if no net external force acts on it?

    <p>It moves with constant velocity</p> Signup and view all the answers

    Which physical quantity is a measure of the inertia of a body?

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

    In the absence of external forces, what type of motion does a body exhibit?

    <p>Uniform linear motion</p> Signup and view all the answers

    What would happen to an object in motion if no net external force is acting on it?

    <p>It would continue to move at a constant velocity</p> Signup and view all the answers

    What is the effect on the motion of a body when a net external force is applied to it?

    <p>It experiences acceleration</p> Signup and view all the answers

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