+1 vote
in Machine Dynamics by (34.3k points)
Velocity of any point D on the connecting rod is given by ________

(a) ω.OD1

(b) ω.OD2

(c) ω.OD

(d) ω.PD

This question was addressed to me in an international level competition.

This interesting question is from Bennett’s Construction topic in portion Inertia Forces in Reciprocating Parts of Machine Dynamics

1 Answer

0 votes
by (38.6k points)
Right choice is (a) ω.OD1

The explanation is: Linear velocity is obtained by a product of angular velocity of the crank and the perpendicular distance of the respective point. In this case ω is the angular velocity and OD1 is the perpendicular distance.

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