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IGCSE/GCSE/O & A Level/IB/University Student Forum
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GCE AS & A2 Level
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Math
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help! mechanics 2morrow.
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Topic: help! mechanics 2morrow. (Read 2144 times)
Taqat256
Newbie
Posts: 1
Reputation: 11
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
Guest
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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IGCSE/GCSE/O & A Level/IB/University Student Forum
»
Qualification
»
GCE AS & A2 Level
»
Subject Doubts
»
Math
»
help! mechanics 2morrow.