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A pulley can either change the direction or the force, but not both. Since a single fixed pulley makes an object go up when pulled down, it has changed direction. So it can't also change force.

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12y ago

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Why can't a pulley have a mechanical advantage greater than 1?

The mechanical advantage of a pulley can be greater than 1.The efficiency cannot but that is a different matter.


What is the mechanical advantage of a fixed and free pulley?

A fixed pulley does NOT multiply the effort force or have a mechanical advantage. It only changes the direction of the effort force. A free pulley multiplies the effort by two. this means the free pulley has a mechanical advantage of 2.information from:www.mhscience02.com


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Which type of pulley has an ideal mechanical advantage of 1?

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What is the mechanical advantage of a stationary pulley?

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If the input force on a pulley is 3 N and the output force is also 3 N what is its mechanical advantage?

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What is the ideal mechanical advantage and the direction of the input and output for a fixed pulley?

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The mechanical advantage of the pulley system is the inertia and friction of the unbalanced and balanced forces acting on the mechanical advantage which is part of the pulley system....


Why is the mechanical advantage of a simple fixed pulley always 1?

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The type of pully that does not have a mechanical advantage is?

The simple pulley is the type of pulley that does not have a mechanical advantage.