Theory of Machine
The motion between a pair which takes place in ____ is known as incompletely constrained motion.

More than one direction
One direction only
None of the listed here
Two directions only

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

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

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