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The mechanical advantage of a machine is...

The mechanical advantage of a machine is 5 and its efficiency is 75%. A load of 300 kgf is lifted with the help of this machine up to the height of 15 m. Calculate the effort needed for this purpose.

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To calculate the effort needed to lift a load using a machine with a given mechanical advantage and efficiency, we can follow these steps: ### Step 1: Understand the Given Values - Mechanical Advantage (MA) = 5 - Efficiency (η) = 75% = 0.75 (as a decimal) - Load (W) = 300 kgf ### Step 2: Calculate the Actual Load in Newtons ...
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