Asked by fred

A block and tackle system consisting of 5 pulleys is used to raise a load of 400 N through a height of 10 m. If the work done against friction is 100 j, calculate
Answered by Damon
work done = 100 Joules + m g h = 100 + 400*9.81*10
Answered by Proces
Statc
Answered by 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.
Answered by Olusegun Lydia
12
Answered by Iddrisu Hassan
Thank you
Answered by lizzy
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