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Author Topic: help! mechanics 2morrow.  (Read 2147 times)

Offline Taqat256

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Re: help! mechanics 2morrow.
« Reply #15 on: May 18, 2010, 07:17:28 pm »
can someone help me with O/N 2009 q.4 part (iii)
how do we find the coefficient of friction?
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nid404

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Re: help! mechanics 2morrow.
« Reply #16 on: May 18, 2010, 08:04:04 pm »
Find W you mean?

u=0.75

R= tensionXsin theta + W
F= tension X cos theta

u=F/R
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