How friction affects rotational inertia of a hollow cylinder

AI Thread Summary
Friction plays a crucial role in the rotational dynamics of a hollow cylinder rolling down an inclined plane. It generates a torque that influences the cylinder's rotational acceleration, thereby affecting its angular velocity. When the cylinder rolls without slipping, friction ensures that the rotational inertia is effectively utilized in the motion. The interaction between friction and rotational inertia is essential for understanding the overall motion of the cylinder. Thus, friction significantly impacts both the rotational inertia and angular velocity of the hollow cylinder.
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How does friction affect the rotational inertia and angular velocity of a hollow cylinder rolling down an inclined plane? Assuming the cylinder isn't slipping
 
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Why do you think friction would affect the rotational inertia of an object?
Friction does exert a torque on the cylinder and thus produces a rotational acceleration.
 
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