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VITEEE System of Particles and Rotational Motion — practice questions — page 2

Explore 33 free System of Particles and Rotational Motion questions in VITEEE Physics. Open each question or exercise to read its content, reference answers and available explanation.

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System of Particles and Rotational Motion questions and exercises with answers

Showing questions 31–33 of 33.

Match the rotational quantity to its linear analogRead the answer and worked solution →Race four rolling bodies downhillRead the answer and worked solution →Follow a spinning skater's energyRead the answer and worked solution →

Worked practice questions

Match the rotational quantity to its linear analog

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Matching pairs
  1. A
    Mass (m)
    B
    Moment of inertia (I)
  2. A
    Force (F)
    B
    Torque (τ)
  3. A
    Linear velocity (v)
    B
    Angular velocity (ω)
  4. A
    Linear momentum (p)
    B
    Angular momentum (L)
  5. A
    Linear KE (½mv²)
    B
    Rotational KE (½Iω²)

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Race four rolling bodies downhill

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Steps
  1. Solid sphere
  2. Solid cylinder
  3. Hollow sphere
  4. Hoop
Instructions
Tap the four rolling bodies in the order they reach the foot of the same incline, fastest first.
_Source: Qallery verified question bank, JEE Advanced, topic Rotational Motion_

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Follow a spinning skater's energy

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Questions
  1. Answer
    18
    Question
    A skater spins at 3 rad/s with moment of inertia 4 kg m squared. Her kinetic energy in joules?
  2. Answer
    72
    Question
    She pulls her arms in to 1 kg m squared, conserving angular momentum. Her kinetic energy now, in joules?
  3. Answer
    54
    Question
    How many joules did her own muscles supply while she pulled her arms in?
Instructions
Key in each energy for the spinning skater as a whole number of joules.
_Source: Qallery verified question bank, JEE Advanced, topic Rotational Motion_

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