Physics, 17.11.2020 05:20, adenmoye0910

Four pulley system is shown in the diagram. If its efficiency is 80%, calculate by using the formula:
i. the effort applied to lift the load
ii. output work when the load is lifted up to 6 metres
iii. input work
iv. mechanical advantage

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Four pulley system is shown in the diagram. If its efficiency is 80%, calculate by using the formul...