Question: Willie is using a wheelbarrow (Figure) to move 345 lb of patio blocks. (a) What is the mechanical advantage of the wheelbarrow handles? (b) What

Willie is using a wheelbarrow (Figure) to move 345 lb of patio blocks.

(a) What is the mechanical advantage of the wheelbarrow handles?
(b) What is the mechanical advantage of the wheelbarrowâ€™s wheel-and-axle?
(c) How can the design of the wheelbarrow be altered to increase the mechanicaladvantage?

0.265 m 0.568 m r= 0.075 m

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