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Grade 12th passMechanics

A UNIFORM rod is made to lean between rough vertical wall and the ground . friction coefficient between rod and wall is ½
and between the rod and the ground is ¼ .the correct options are

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Profile image of s k vishal
6 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas TU
6 Years ago
Dear student 
Dear student 
mew 1 = 1/2 
mew 2 = 1/4 
On balancing 
N1 = mew N2 
mew1N1 + N2 = w 
mew1 mew2 N + N2 = w 
N2 = w/(1+mew1*mew2)
N1 = mew2*w /(1+mew1mew2)
N2> N1