In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as
(a) tractive force
(b) swaying couple
(c) hammer blow
(d) none of the mentioned
I had been asked this question in quiz.
The query is from Primary and Secondary Unbalanced Forces of Reciprocating Masses in portion Balancing of Reciprocating Masses of Machine Dynamics