ICSE Class 10 Physics 2013 Solved Paper

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

Question : 39

Total: 70

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

Solution:

‌‌ Given : V.R. ‌=4‌, Load ‌=4T‌, Effort ‌=T
‌ M.A. ‌‌=‌

‌ Load ‌

‌ Effort ‌

‌=‌

=4‌‌

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