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Old Jun 7th 2017, 05:20 AM   #1
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Finding centre of gravity using moments

Can someone please answer Question 13, i do not understand how to approach it.
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Old Jun 7th 2017, 06:17 AM   #2
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Let $x$ = center of gravity distance from the front end

$\displaystyle \sum \tau = 0$

$25x - [16(0.6)+9(2.1)] = 0$

solve for $x$
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