simple machines problems.

by alexis.
Tags: machines, simple
alexis. is offline
Oct25-10, 05:13 PM
P: 1
i have a question that says ; a wheel barrow is used to lift a 200 ib load the length from the wheel axel to the center of the load is 2ft the length from the wheel and axel to the effort if 5ft. & i solved it by doing ima=de/dr 2ft/ft=0.04=.4:10

but now this question is;using static equilibrium calculations, calculate the effort force needed to overcome the resistance force in the system. [/COLOR][/COLOR]

please help.?,
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