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In the doorknob shown above, when the handle is rotated a distance of 189 millimeters, the spindle is rotated a distance of 27 millimeters. What is the mechanical advantage of this doorknob? A. 7 B. 27
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In the doorknob shown above, when the handle is rotated a distance of 189 millimeters, the spindle is rotated a distance of 27 millimeters. What is the mechanical advantage of this doorknob? A. 7 B. 27 C. 189 D. 20

User Kay
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If my math is right its A) 7

because 189 divided by 27 is 7

User Niki Trivedi
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