a uniform rod of length L is made of material having density r, coefficient of thermal expansion is a and young modulus is y . it is placed between 2 vertical walls having separation L and coeff. of friction is m. what is the min. rise in temp. so that the rod does not fall down on releasing..a> Lrg/aym b> 2Lrg/aym 3> Lrg/2aym
a uniform rod of length L is made of material having density r, coefficient of thermal expansion is a and young modulus is y . it is placed between 2 vertical walls having separation L and coeff. of friction is m. what is the min. rise in temp. so that the rod does not fall down on releasing..a> Lrg/aym b> 2Lrg/aym 3> Lrg/2aym
Radhika Batra , 11 Years ago
Grade 11
