How Does Impulse Affect Acceleration and Tension in a Disk-Particle System?

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SUMMARY

The discussion centers on the dynamics of a uniform circular disc of mass 2m and radius R, with a particle of mass m attached via a string. An impulse J is applied to the particle, affecting the acceleration of the disc's center of mass and the tension in the string. Key equations include \( T = 2ma \) for the force on the particle and \( T = mRq \) for the torque on the disc. The relationship between the particle's acceleration and the tension is established, confirming that the particle accelerates upward with the same magnitude as the acceleration of the point of attachment on the disc.

PREREQUISITES
  • Understanding of Newton's laws of motion, particularly \( F = ma \)
  • Knowledge of torque and angular acceleration in rigid body dynamics
  • Familiarity with polar coordinates and their application in dynamics
  • Concept of impulse and its effect on momentum
NEXT STEPS
  • Study the relationship between tension and centripetal force in circular motion
  • Learn about the dynamics of non-fixed points in polar coordinates
  • Explore the implications of impulse on rigid body motion
  • Investigate the effects of constraints in dynamic systems, such as inelastic strings
USEFUL FOR

Students and professionals in physics, particularly those focusing on mechanics, dynamics, and systems involving rigid bodies and forces. This discussion is beneficial for anyone studying the effects of impulse on motion and tension in mechanical systems.

  • #31
Thank you very much TSny .
 
Last edited:

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