Physics Quiz
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Questions and Answers

In a system of particles, the center of mass is a point where:

  • The total internal force is zero
  • The total kinetic energy is maximum
  • The total external force can be considered to act (correct)
  • The total potential energy is minimum

    • Which of the following is true for rotational motion?

  • The angular velocity is always constant
  • The torque is the rate of change of angular momentum (correct)
  • The angular acceleration is independent of the net torque
  • The moment of inertia depends on the axis of rotation

    • When a net torque is applied to an object, it will result in:

  • No effect on the object
  • Rotational acceleration (correct)
  • Constant angular velocity
  • Linear motion

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