Asked by Taiwo

The efficiency of a machine is 75%.If this machine raises a load of 150kg through a vertical height of 20cm,Calculate the workdone by labourer using the machine
Answered by scott
(m * g * h) / efficiency

convert cm to m ... answer is in Joules
Answered by Henry
W = F * h = (150*9.8) * 0.20 = Work done by machine in Joules.

W/0.75 = Work done by laborer.

Answered by Heeshar
I really don't know the answer pls help with this question
There are no AI answers yet. The ability to request AI answers is coming soon!