ICSE Class 10 Physics 2013 Solved Paper

A block and tackle system of pulleys has a velocity ratio 4.

Question : 39 of 70

Marks: +1, -0

What is the value of the mechanical advantage of the given pulley system if it is an ideal pulley system?

Solution:

\;\;\text " Given : V.R. "\;=4 \;\text ", Load "\;=4 {\T} \;\text ", Effort "\;= {\T}

\;\text " M.A. "\;\;=\;{\;\text " Load "\;}/{\;\text " Effort "\;}

\;=\;{4 {\T}}/{ {\T}}=4 \;\;

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