In the wheelbarrow of figure (a), the load has a perpendicular lever arm of 6.30 cm, while the hands have a perpendicular lever arm of 1.

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In the wheelbarrow of figure (a), the load has a perpendicular lever arm of 6.30 cm,

while the hands have a perpendicular lever arm of 1.33 m. What upward force must

you exert to support the wheelbarrow and its load if their combined mass is 54.4 kg?

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