Question

A sphere cannot roll on
(a) a smooth horizontal surface
b) a smooth inclined surface
(c) a rough horizontal surface
(d) a rough inclined surface.

Answer given is b. pls explain how​

Answer 1

Answer:

A and B

Explanation:

A sphere can't roll on any smooth surface as friction is imp for rolling to occur.

Thus, A and B are correct option

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Answer 2

Answer:

A sphere cannot roll on a smooth inclined surface because the force of friction is zero for smooth surface and in case of sphere friction provides the torque for rolling.

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