+1 vote
in Machine Dynamics by (34.3k points)
If the mass of the constraint is negligible then what is the kinetic energy of the system?

(a) 0

(b) Half the value

(c) Double the value

(d) Infinite

I have been asked this question in homework.

The query is from Effect of Inertia of the Constraint on Torsional Vibrations topic in section Torsional Vibrations of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
The correct choice is (a) 0

To explain: If the mass of the constraint is negligible, then the mass moment of inertia will be 0. As a result the expression of the kinetic energy will become 0.

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