Calculate the velocity ratio of a screw jac..

Question 1 Report

Calculate the velocity ratio of a screw jack of pitch 0.3cm if the length of the tommy bar is 21cm

\frac{1}{140}

π

π

π

140

π

Answer Details

V.R = $\frac{2 π L}{p}$

= $\frac{2 \times π \times 2}{0.3}$

V.R = 140 $π$