I can not help you with A or C because I can not see how many parts you have in your tackle
for part B
0.9 W = 600 * 8
so
W = 600 * 8/ 0.90 Joules
A pulley system shows is use to raise a load of 600N through 8m. If they efficency is 90%.calculate
a. Mechnical advantage
b. Workdone by the effort
c. Effort applied
1 answer
1 answer