Question

What will be the moment of inertia of a circular in cm4 whose dimeter is 10cm?

Answer 1

Answer:

Solution :

Here, r=10cm,t=5mm=0.5cm,

ρ=8gcm−3

Mass of disc, m=πr2×r×ρ

3.14(10)2×0.5×8=1.256×103gm

I=12mr2=12×1.256×103×102

=6.28×104gcm2

Explanation:

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