Physics, 03.07.2021 20:20, fernandaElizondo

A screw Jack whose pitch is 2mm is used to raise a bus of mass 900kg through height of 20cm. The length of the Tommy of the Tommy of the jack is 40cm. Calculate the velocity ratio of the machine

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A screw Jack whose pitch is 2mm is used to raise a bus of mass 900kg through height of 20cm. The len...