In the wheelbarrrow, the load has a perpendicular lever arm of 7.5 cm, while the hands have a perpendicular lever arm of 1.02m. (a) what upward force must you exert to support the whellbarrow and its load if their combined mass is 45kg? (b) what force does the wheelbarrow exert on the
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In the wheelbarrrow, the load has a perpendicular lever arm of 7.5 cm, while the hands have a perpendicular lever arm of 1.02m. (a) what upward force must you exert to support the whellbarrow and its load if their combined mass is 45kg? (b) what force does the wheelbarrow exert on the ground?

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