A solid disk and a hollow cylinder of the same mass and radius roll down an incl

Practice Questions

Q1
A solid disk and a hollow cylinder of the same mass and radius roll down an incline. Which one reaches the bottom first?
  1. Solid disk
  2. Hollow cylinder
  3. Both reach at the same time
  4. Depends on the angle of incline

Questions & Step-by-Step Solutions

A solid disk and a hollow cylinder of the same mass and radius roll down an incline. Which one reaches the bottom first?
  • Moment of Inertia – The solid disk has a lower moment of inertia compared to the hollow cylinder, which affects how quickly it can roll down an incline.
  • Rolling Motion – Understanding the relationship between translational and rotational motion is crucial in determining which object accelerates faster.
  • Energy Conservation – The conversion of potential energy to kinetic energy (both translational and rotational) plays a key role in the dynamics of rolling objects.
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