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प्रश्न
Write the relation between mechanical advantage, velocity ratio and efficiency for an ideal single fixed pulley.
समीकरण/सूत्र
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उत्तर
Efficiency (η) = `"Mechanical Advantage (M. A.)"/"Velocity Ratio (V. R.)"` = 1 (or 100%)
Since it is ideal, M. A. = 1 and V. R. = 1, making them equal to each other (M. A. = V. R).
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