g/4.....???
A Uniform Rod of mass M = 1kg is tied with two light strings AB and CD as shown in fig. Initially the system is in equilibrium.The string CD is now snapped. Just after the string is snapped, tension( in N ) in string AB is....
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UP 0 DOWN 0 0 4
4 Answers
cipher1729
·2010-02-24 01:04:39
ans comes as 4 when i take
α(l/2) cos 45= a
but in this q both
α(l/2) cos 45= a
and a cos 45 = α(l/2)
are possible, how to differentiate b/w them....????
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