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2 uniform discs of masses 4M and M and of respective radii R and R/2 are placed on rough horizontal surface. length of the rod connecting them is 2R.coefficient of friction between the groung and both the discs if u. A constant horizontal force F acts on the bigger disc.Then, (1) if F = Mg . and there is no slipping anywhere. find acceleration of center of mass of the smaller disc. (2) same case. find elongation of the rod(in terms of Y, A,Mg,R) (3) if u=2/root(15) , and const. force F acts . find maximum acceleration the bigger disc can have without slip.


 2 uniform discs of masses 4M and M and of respective radii R and R/2 are placed on rough horizontal surface.

length of the rod connecting them is 2R.coefficient of friction between the groung and both the discs if u.

A constant horizontal force F acts on the bigger disc.Then,

(1) if F = Mg . and there is no slipping anywhere. find acceleration of center of mass of the smaller disc.

(2) same case. find elongation of the rod(in terms of Y, A,Mg,R)

(3) if u=2/root(15) , and const. force F acts . find maximum acceleration the bigger disc can have without slip.


Grade:upto college level

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