+1 vote
in Machine Dynamics by (34.3k points)
Considering a four bar chain with each link having linear and angular acceleration, applying D-Alembert’s principle will never result in which of the following member?

(a) 2- force member

(b) 3- force member

(c) 4 – force member

(d) Non accelerating member

This question was posed to me at a job interview.

Query is from Resultant Effect of a System of Forces Acting on a Rigid Body topic in chapter Inertia Forces in Reciprocating Parts of Machine Dynamics

1 Answer

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by (38.6k points)
The correct option is (a) 2- force member

Explanation: Since every link is accelerating it will have inertial torque and inertial force and at least force exerted by a link, thus it can never be a two force member.

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