Asked by Na'anshep k.peter

a scrow jack whose pitch is 2mm is used to raise a motor car of mass 900kg through a height of 200cm the length of the tommy bar of the jack is 40cm and if the jack is 60% efficience.calculate;
(a)velocity ratio(b)machanical advantage(c)calculate the effort (d)workdone by the effort(g=10m/s)

Answered by ola
bola


Answered by ola
30
20
40
Answered by Joy Mathias
Please help me to solve that physics question and please it should be step by step so that I will understand it
Answered by Joy Mathias
Am waiting oooo
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