Asked by Mamoeletsi

A block and tackle system of 5 pulley is used to raise a load of 500N steady through a height of 20m the work done against friction is then 2000J. Calculate the work done By effort, efficiency and effort applied
Answered by Ms. Sue
Your School Subject is probably Physics.
Answered by allen
i need help of solution of question
Answered by Yahya Shekha
Work done by the effort is 12,000J .
The efficiency is 83.3%.
The effort applied is 120.
Answered by Thomas
Not only answers but also the way you got the answers
Answered by Princess
put the solutions not the answers so we can solve it next time
Answered by Laka
I want to see the you have answered can you show the solutions
Answered by Joseph Helen
No solve solve it
Answered by Anonymous
solution not only answer
Answered by Emmanuel
THE answers
Answered by Ofori
Please add the solution so that I can see the way you got the answers
Answered by Hezron
I want to see solutions
Answered by Hezron
Where are the solutions?
Answered by Iris
I want to see the way you solved it
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