Question

Q.14) Choose the correct relation between angular
momentum (J), moment of inertia (l) and angular velocity (W)
1) J = 1/W
2) I = J xw
3) J = I xw​

Answer 1

Answer:

For rotating body,

given that:

Moment of inertia = I

We know that,

Angular momentum L=Iω

Now,

Rotational kinetic energy =

2

(Iω

2

)

So, rotational kinetic energy = (

2I

L

2

)

Hence, (

2I

L

2

) is the rotational kinetic energy

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Answer 2

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Choose the correct relation between angular

momentum (J), moment of inertia (l) and angular velocity (W)

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3) J = I xw

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$\huge\underline{ \mathbb\red{Brilliant}\:\mathbb\purple{Answers}}$