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question - solid sphere,ring,disc having same mass and radius are placed at the top of an incline and released. the friction coefficient bw the objects and the incline are same but not sufficient to allow pure rolling .least time will be taken by- a)solid sphere,b)the ring c)the disc d)all will take same time also the smallest kinetic energy wil be acquired by- A) ring b)sphere c)disc d)all achieve the same kinetic energy ans - 1st question - (d) 2nd question-(A) , please explain ????


 question - solid sphere,ring,disc having same mass and radius are placed at the top of an incline and released. the friction coefficient bw the objects and the incline are same but not sufficient to allow pure rolling .least time will be taken by-

a)solid sphere,b)the ring c)the disc d)all will take same time

also the smallest kinetic energy wil be acquired by-

A) ring b)sphere c)disc d)all achieve the same kinetic energy

ans - 1st question - (d) 2nd question-(A) , please explain ????


Grade:9

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