Theory of Machine
The maximum fluctuation of energy is the

Difference between the maximum and minimum energies
Variations of energy above and below the mean resisting torque line
Sum of the maximum and minimum energies
Ratio of the mean resisting torque to the work-done per cycle

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Theory of Machine
In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon

Total lift, total angle of lift, minimum radius of cam and cam speed
Mass of cam follower linkage, spring stiffness and cam speed
Total lift, centre of gravity of the cam and cam speed
Radius of circular arc, cam speed, location of centre of circular arc and roller diameter

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