1(c)
With reference to the terms Mechanical Advantage, Velocity Ratio and efficiency of a machine, name and define the term that will not change for a machine of a given design.
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The velocity ratio will not change.
Velocity ratio is defined as the ratio of the velocity of effort to the velocity of the load i.e.,
$$\begin{aligned}\text {Velocity Ratio} = \frac{\text {Velocity of effort}}{\text {Velocity of load}} \\[0.5em]\end{aligned}$$