Rotational Kinematics/Tension Problem

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SUMMARY

The discussion focuses on solving a rotational kinematics problem involving a cylinder on an inclined plane. The key equations include the relationship between tension T, mass M, radius R, and rotational inertia I, as well as the effects of static friction. The participants aim to derive the necessary tension T for equilibrium and the cylinder's acceleration when tension differs from T. The problem emphasizes the importance of applying Newton's laws and rotational dynamics principles.

PREREQUISITES
  • Understanding of Newton's laws of motion
  • Familiarity with rotational dynamics and inertia
  • Knowledge of static friction and its role in motion
  • Basic algebra for solving equations
NEXT STEPS
  • Study the derivation of tension in rotational systems
  • Learn about the moment of inertia for different shapes
  • Explore the effects of friction on inclined planes
  • Investigate the relationship between linear and angular acceleration
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the principles of rotational motion and tension in mechanical systems.

Skoob
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Homework Statement


A cylinder of known mass M, radius R, and rotational inertia I is placed on an inclined plane with angle θ. A string is wound around the cylinder and pulled up with a tension T parallel to the inclined plane. The coefficient of static friction is large enough to prevent slipping.

a) Find the tension T needed to keep the cylinder in equilibrium
b) Find the acceleration of the cylinder if the tension is known and is different from T.

Homework Equations

The Attempt at a Solution

 
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