Physics, asked by himanshihimmu3457, 9 months ago

A screw jack with a tommy bar of length 12cm is used to raise a car through a vertical height of 25cm by turning the bar 50 revolutions. Calculate the velocity ratio of the jack

Answers

Answered by yadavpinky112
0

Explanation

P = 25/50=0.5

V.R = 2πD/p =(2×3.142×12)/0.5

= 151

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