Physics, asked by Chughprarthana5579, 11 months ago

A thin ring has mass m=4 kg and radius r = 1 m. Find its moment of inertia about an axis passing through its centre which makes an angle of exactly pi/4 radians

Answers

Answered by abhi9267
0

Answer:

(1/2)MR^2

Explanation:

moment of inertia of the circular ring for the given condition is this

Attachments:
Answered by CarliReifsteck
0

The moment of intertia about an axis passing through its center is 2 kg m².

Explanation:

Given that,

Mass of ring =4 kg

Rdius = 1 m

Angle \theta=\dfrac{\pi}{4}

We need to calculate the moment of intertia about an axis passing through its center

Using formula of moment of inertia

I=MR^2

The moment of inertia does not depend on angle.

By perpendicular axis theorem

I_{x}+I_{y}=I_{z}

Here, I_{x}=I_{y}

2I_{x}=I_{z}=MR^2

Put the value of moment of inertia

I=\dfrac{MR^2}{2}

Put the value into the formula

I=\dfrac{4\times1}{2}

I=2\ kg m^2

Hence, The moment of intertia about an axis passing through its center is 2 kg m².

Learn more :

Topic : moment of inertia

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