1.

In a four-bar linkage, S denotes the shortest link length, L is the longest link length, P and Q are the lengths of other two links. At least one of the three moving links will rotate by 360° if

A. S + L ≤ P + Q
B. S + L > P + Q
C. S + P ≤ L + Q
D. S + P > L + Q
Answer» B. S + L > P + Q


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