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
Hammer blow

Varies inversely with the square of the speed
Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses
Varies as the square root of the speed
Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses.

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