Question
Please, help me solve this problem.
A block and tackle consisting of 4 pulleys is used to raise a load of 300N through a distance of 5m. If the work done against friction is 750J, calculate;
a) the work done by the effort
b) the efficiency of the machine
c) the effort applied
A block and tackle consisting of 4 pulleys is used to raise a load of 300N through a distance of 5m. If the work done against friction is 750J, calculate;
a) the work done by the effort
b) the efficiency of the machine
c) the effort applied