Question

A woman is pushing a load in a wheelbarrow, as in

(Figure 1). The combined mass of the wheelbarrow and the load is 130kg, with a center of gravity at d = 0.35m behind the axle. The woman supports the wheelbarrow at the handles, 1.1 m behind the axle..

Figure

1 of 1

d I 1.1 m

Part A

What is the force required to support the wheelbarrow?

Part B

What fraction of the weight of the wheelbarrow and the load does this force represent?

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Answer #1

To support the wheelbarrow, moment is balanced (Torque) load = 130kg F=? prvot (wheel) Torque about a> -> 130x9.81* d = Fxlo1

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