A lorry weighing 6400kg is lifted with a jack screw of 11mm pitch. If the handle is 28cm from the screw

A lorry weighing 6400kg is lifted with a jack screw of 11mm pitch. If the handle is 28cm from the screw
(i) Find the velocity ratio
(ii) Neglecting the frictional force, Calculate mechanical advantage, MA)
(iii) Determine the force applied

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sharon kalunda answered the question on September 26, 2019 at 11:20

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