A rotating body has an angular momentum L. If its moment of inertia is I, what i

Practice Questions

Q1
A rotating body has an angular momentum L. If its moment of inertia is I, what is the angular velocity ω of the body?
  1. L/I
  2. I/L
  3. L^2/I
  4. IL

Questions & Step-by-Step Solutions

A rotating body has an angular momentum L. If its moment of inertia is I, what is the angular velocity ω of the body?
  • Step 1: Understand that angular momentum (L) is a measure of how much motion a rotating body has.
  • Step 2: Know that the formula for angular momentum is L = Iω, where I is the moment of inertia and ω is the angular velocity.
  • Step 3: To find the angular velocity (ω), you need to rearrange the formula. Start with L = Iω.
  • Step 4: Divide both sides of the equation by I to isolate ω. This gives you ω = L/I.
  • Step 5: Now you can calculate the angular velocity (ω) if you know the values of L and I.
  • Angular Momentum – Angular momentum (L) is the product of a body's moment of inertia (I) and its angular velocity (ω).
  • Moment of Inertia – Moment of inertia (I) is a measure of an object's resistance to changes in its rotation.
  • Angular Velocity – Angular velocity (ω) is the rate of rotation of an object, typically measured in radians per second.
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