a screw Jack 25% efficient and having a screw of pitch 0.4% is used to raise a load through a certain height. if in the process the handle turns through a circle of radius 400m calculate
the velocity ratio of the machine
mechanical advantage of the machine
effort required to raise a load of 1000N to the machine {take pie as 3.14}?
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Asked by victor on 16th February, 2019
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