Suppose that you can lift no more than 650N unaided. How much can you lift using a 1.4m long wheelbarrow that weighs 80N with its CG. 5m from the center of the wheel. The CG of the load in the wheelbarrow is also. 5m from the wheel? Additionally where does the force come from that enables you to lift more than 650N using the wheelbarrow?
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