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fahminator
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good question.

DeleonBRRJ
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dw:1353794996997:dw

DeleonBRRJ
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\[\theta=60\]

DeleonBRRJ
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W=?

DeleonBRRJ
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\[\Delta S = 3m\]

henpen
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Work out net forcedw:1353795967747:dw
4.5sqrt(3)>>3, so disregard horizontal forces

henpen
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dw:1353796075050:dw

henpen
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dw:1353796097378:dw

henpen
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\[W=Fd=0.5*3=1.5\]