What is the required actual mechanic adcantage

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Reference no: EM13212738

A construction crew lifts approximately 560 lb of material several times during a day from a flatbed truck to a 32 ft rooftop. A block and tackle system with 50 lb of effort force is designed to lift the materials.

-What is the required actual mechanic adcantage?
-How many supporting strands will be needed in the pulley system?

Reference no: EM13212738

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