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Which of the following statement(s) is /are correct for a spherical body rolling with out slipping on a rough horizontal ground at rest.

a) the acceleration of the point of contact is zero.

b) the speed of some of the point (s) is (are) zero.

c) friction force may or may not be zero

d) Work done by friction may or may not be zero

Can you answer this question?
 
 

1 Answer

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It is a conceptual one
answered Nov 29, 2013 by meena.p
 

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