Theory of Machine
The sense of Coriolis component is such that it

Is along the sliding velocity vector
Leads the sliding velocity vector by 90°
Leads the sliding velocity vector by 180°
Lags the sliding velocity vector by 90°

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Theory of Machine
Angle of action of cam is defined as the angle

Of rotation of the cam for a definite displacement of the follower
Through which the cam rotates during the period in which the follower remains in the highest position
Moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Moved by the cam from beginning of ascent to the termination of descent

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