1. What is the condition involved in Grashof’s law? a) s+l≥p+q b) s-l ≥ p-q c) s+l≤p+q d) s-l ≤ p-q AnswerAnswer: c [Reason:] According to Grashof’s law, in a four bar mechanism, the sum of the lengths of the shortest and the longest link should be less than or equal to the sum of…