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6 September, 14:23

Explain why the mechanical advantage of a single fixed probably is always one

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  1. 6 September, 17:59
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    Ideal mechanical advantage doesn't take energy lost to friction into account. Explain why the mechanical advantage of a single fixed pulley is always 1. A single fixed pulley changes only the direction of the effort force ... Energy transforms from the object supplying the force to the object being moved.
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