eNotes: Mechanical Engineering
   



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2.5 GRASHOF'S LAW


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If we want a mechanisms that will undergo continuous motion we must satisfy the Grashof criterion. In particular the shortest link, with length `s' will be in constant relative motion if the Grashof Criterion is satisfied. (In other words we can rotate the smallest link continuously)



. Consider the equation, and the four basic kinematic inversions below. Keep in mind that the crank will be the shortest link, with length `s, and in all four cases will rotate continuously.







Consider the example problem below,



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