Theory of Machine
A fixed gear having 200 teeth is in mesh with another gear having 50 teeth. The two gears are connected by an arm. The number of turns made by the smaller gear for one revolution of arm about the centre of bigger gear is

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

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

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