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A single fixed pulley is used because it : (a) ha sthe mechanical advantage greater than 1 (b) has the velocity ratio less than 1 (c) gives 100% efficiency (d) helps to apply the effort in a convenient direction. |
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Answer» A single fixed pulley is used because it : (a) ha sthe mechanical advantage greater than 1 (b) has the velocity ratio less than 1 (c) gives 100% efficiency (d) helps to apply the effort in a convenient direction. |
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