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)
4 answers
bola
30
20
40
20
40
Please help me to solve that physics question and please it should be step by step so that I will understand it
Am waiting oooo
1 answer