Question

Please solve the question.
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Answer 1

Answer:

thin pipe

Explanation:

Let F be the force acting on a body . Let O be the centre of body.

         Now lets search for , value of distance between line of action of and centre of body so that body starts slip from rolling.(say "x")

 F=ma  {Newton's law of motion}------->1

                   Fx=Iα------------>2

      by solving those two we get,

 x=mrI.

         since ,

            I=32mr2 for thin spherical shell;

            I=52mr2 for solid spherical shell;

           I=21mr2   for solid cylinder;

          I=mr2 for thin pipe.

        by substituting,

         only thin pipe satisfies the above condition of rolling if force is applied on the top of body.

Answer 2

Answer:

thin pipe

Explanation:

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