(a) (i) Explain what is mcantby the moment of inertia of a body. (ii) Whay is there no unique value for the moment of inertia of a given body? (ilii) A rigid body rotates about an axis with an angular velocity o. If the relevant moment of inertia of the body is 1, thow that its rotational kinetic energy is le.

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Chapter1: Units, Trigonometry. And Vectors
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Answer a(i), (ii) & (iii)

1.90 (a) () Explain what is meant by the moment
ef inertia of a body.
(ii) Whay is there no unique value for the
moment of inertia of a given body?
(iii) A rigid body rotates about an axis
with an angular velocity o. If the
relevant moment of inertia of the
body is 1, thow that its rotational
kinetic energy is lo.
(b) (i) A motor car is designed to run off
the rotational kinetic energy stored
in a flywheel in the car. The flywheel
Transcribed Image Text:1.90 (a) () Explain what is meant by the moment ef inertia of a body. (ii) Whay is there no unique value for the moment of inertia of a given body? (iii) A rigid body rotates about an axis with an angular velocity o. If the relevant moment of inertia of the body is 1, thow that its rotational kinetic energy is lo. (b) (i) A motor car is designed to run off the rotational kinetic energy stored in a flywheel in the car. The flywheel
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