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Question

In which direction does the force need to be applied when single pulley is used with a mechanical advantage greater than1 ? How can u change the direction of force applied without altering its ma

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Solution

Force must be applied at an angle between 30°and 90°from the horizontal for the mechanical advantages greater than 1
by applying the perpendicular forces can the direction forces without alternating the magnitude of forces
eg :centripital forces

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