+1 vote
in Machine Dynamics by (34.3k points)
If a force has a line of action at a distance h from the centre of gravity, then the value of h is given by _____

(a) I. α/F

(b) I. α/m.g

(c) I/m.k

(d) m.k/I

The question was posed to me during an interview for a job.

Origin of the question is Resultant Effect of a System of Forces Acting on a Rigid Body in chapter Inertia Forces in Reciprocating Parts of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Right option is (a) I. α/F

Easy explanation: We know that Force, F = Mass × Acceleration = m.a. and F.h = m.K^2.α = I.α

Therefore, h = I. α/F.

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