Pregunta 4
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It is known that the lengths of the three links in a four-bar linkage are 32mm,
40mm, and 48mm respectively, and the shortest link is used as ground.
According to the Grashof rule, which is correct from following statements. (10
Marks)
a. if length of the fourth bar is 45mm, the four-bar linkage is a crank
rocker mechanism
b. if length of the fourth bar is 60mm, the four-bar linkage is a double
rocker mechanism
c. if length of the fourth bar is 52mm, the four-bar linkage is a double
crank mechanism
d. if length of the fourth bar is 54mm, the four-bar linkage is a double
rocker mechanism