Calculate moment of inertia of a circular disc of radius 10 cm, thickness 5 mm and uniform density 8 g/cc - Physics - System Of Particles And Rotational Motion

Question

Calculate moment of inertia of a circular disc of
radius 10 cm, thickness 5 mm and uniform density 8 g/cc about a
transverse axis through the centre of the disc

Unknown ... · Answer

Hi Olivea,
Here, R = 10 cm, Thickness, x = 5 mm = 0 5 cm, Density, p = 8
g/cc, I =?
Mass of disc, M = area x thickness x density = π
R2 x p
M = 22/7 x 102 x 0 5 x 8 = 8800/7 gram
Moment of inertia of the disc about a transverse axis through
the centre,
I = ½ MR2 = ½ x 8800/7 x
(10)2 = 6 28 x 104 g
cm2
Hopes this will help u :))

Calculate moment of inertia of a circular disc of radius 10 cm, thickness 5 mm and uniform density 8 g/cc about a transverse axis through the centre of the disc.........