ICSE Class 10 Answered
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Asked by jatinsharma2435 | 29 Mar, 2021, 02:31: PM
Expert Answer
Figure shows the system consists of 4 pulleys and 3 strings.
Tension forces , Effort E and Load W are shown in figure .
Effort E = T1 ............... (1)
T2 = 2 T1 = 2 E .................(2)
T3 = 2 T2 = 4 E ...............(4)
T4 = W = 2 T3 = 8 E
Hence mechanical advantage , MA = W / E = 8
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Assumptions :-
(1) Friction forces are negligible in the pulley
(2) Mass of pullies are negligible compared to Load mass m
Answered by Thiyagarajan K | 29 Mar, 2021, 05:53: PM
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