1.

The Grubler’s criterion for determining the degrees of freedom (n) of a mechanism having plane motion is

A. n = (l – 1) – j
B. n = 2 (l – 1) – 2j
C. n = 3 (l – 1) – 2j
D. n = 4 (l – 1) – 3j
Answer» D. n = 4 (l – 1) – 3j


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