Revision history of "File:IO4 38 3a Double block and tackle to gain power.png"

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  • curprev 16:41, 23 January 2023‎ NickHunt talk contribs‎ 672 bytes +672‎ Image for teaching methodology. 3a, Double block and tackle to gain power Assemble a combination of one single and one double block. The double block is attached to the ceiling. Attach the lifting rope to the lower single block first. Let the rope go up into the upper double block and return to the lower single block. The lifting rope turns one last time in the lower single block, goes up through the upper double block and then runs on through a single block until it reaches the first scale...
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