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प्रश्न
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
विकल्प
M.A. = η × V.R.
V.R. = η × M.A.
η = M.A. × V.R.
None of these
उत्तर
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R) and the efficiency (n) is M.A. = η × V.R.
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