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A disc is rotating with angular velocity ω. If a child sits on it, what is conserved ? [2002]
- a)Linear momentum
- b)Angular momentum
- c)Kinetic energy
- d)Moment of inertia
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A disc is rotating with angular velocity ω. If a child sits on i...
If external torque is zero, angular momentum remains conserved. [External torque is zero because the weight of child acts downward]
L = Iω = constant
L = Iω = constant
Most Upvoted Answer
A disc is rotating with angular velocity ω. If a child sits on i...
If external torque is zero, angular momentum remains conserved. [External torque is zero because the weight of child acts downward]
L = Iω = constant
L = Iω = constant
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Community Answer
A disc is rotating with angular velocity ω. If a child sits on i...
Angular momentum.
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A disc is rotating with angular velocity ω. If a child sits on it, what is conserved ? [2002]a)Linear momentumb)Angular momentumc)Kinetic energyd)Moment of inertiaCorrect answer is option 'B'. Can you explain this answer?
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