Theory of Machine
In a drag link quick return mechanism, the shortest link is always fixed. The sum of the shortest and longest link is

There is no such relationship
Greater than sum of other two
Less than sum of other two
Equal to sum of other two

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Theory of Machine
The direction of Coriolis component of acceleration is the direction

Along perpendicular to angular velocity
Along the centripetal acceleration
Along tangential acceleration
Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link

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