Question
A block and tackle of 5 pulleys is used to raise a load of 5o kgf steadily through a height of 20m. The work against friction is 2000J.Calculate the work done by effort, efficiency and mechanical advantage.
Answers
SCIENCE
Related Questions
A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load of 50N through...
A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load 500n through a...
A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load of 500N through...
A block and tackle system of pulleys consisting of 7 pulleys is used to raise a load of 1000N throug...