ICSE Class 10 Physics 2023 Solved Paper

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A block and tackle system of pulleys has velocity ratio 4.
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Question : 50
Total: 76
What is the value of the mechanical advantage of the given pulley system if it is an ideal pulley system?
Solution:  
Here, the tension in the four segments of the string supports the load L.
∴‌‌L‌=4T‌ and ‌E=T
∵‌‌‌ M. A. ‌‌=‌
L
E

‌=‌
4T
T
=4
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