Radius of gyration of a solid disc of mass 10 kg about an axis is 0.40 the mi of the disc
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answer is 1.6 kg m square....
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Answer:
The moment of inertia and radius of gyration about diameter are 0.9 kg-m² and 0.3.
Explanation:
Given that,
Mass of solid = 10 kg
Radius = 0.40 m
Suppose, find the radius of gyration about its diameter and hence calculate moment of inertia about its diameter
We need to calculate the moment of inertia
Using formula of radius of gyration
Put the value into the formula
We need to calculate the moment inertia of the disc about diameter
Using formula of moment of inertia
Put the value into the formula
We need to calculate the radius of gyration about its diameter
Using formula of radius of gyration
Hence, The moment of inertia and radius of gyration about diameter are 0.9 kg-m² and 0.3.
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