Kubra

This page lists questions and answers that were posted by visitors named Kubra.

Questions

The following questions were asked by visitors named Kubra.

Answers

The following answers were posted by visitors named Kubra.

A block and tackle consisting of 5pulleys is used to raise aload of 400N through a height of 10m, if the workdone against friction is 1000j ,calculate(i)workdone by the effort,(ii)efficiency of the system,(iii)the effort applied.
4 years ago