Question

Three particles of masses 1gm, 2gm &3gm
are at 1cm, 2cm, & 3cm from the axis of
rotation respectively then the moment of
inertia of the system & radius of gyration
of the system respectively are ........gm cm
and .. cm​

Answer 1

Explanation:

MOI=1(1)

2

+2(2)

2

+3(3)

2

=36gmcm

2

Radius of gyration=K

then

(1+2+3)K

2

=36

K=

6

=2.449cm

Answer 2

Explanation:

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