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A torque τ is applied to a rotating object with moment of inertia I. If the object starts from rest, what is its angular acceleration α?

Practice Questions

1 question
Q1
A torque τ is applied to a rotating object with moment of inertia I. If the object starts from rest, what is its angular acceleration α?
  1. τ/I
  2. I/τ
  3. Iτ
  4. τI

Questions & Step-by-step Solutions

1 item
Q
Q: A torque τ is applied to a rotating object with moment of inertia I. If the object starts from rest, what is its angular acceleration α?
Solution: From Newton's second law for rotation, τ = Iα, thus α = τ/I.
Steps: 0

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