A solid sphere of mass 
and radius
is placed on a rough horizontal surface. It is struck by a horizontal cuestick at a height 
above the surface. The value of 
so that the sphere performs pure rolling motion immediately after it has been struck is
.png)
a)
b)
c)
d)
and radius is placed on a rough horizontal surface. It is struck by a horizontal cuestick at a height above the surface. The value of so that the sphere performs pure rolling motion immediately after it has been struck isa)
b)
c)
d)
Question ID - 100232 | SaraNextGen Top Answer A solid sphere of mass and radius is placed on a rough horizontal surface. It is struck by a horizontal cuestick at a height above the surface. The value of so that the sphere performs pure rolling motion immediately after it has been struck is
a)
b)
c)
d)
A solid sphere of mass and radius is placed on a rough horizontal surface. It is struck by a horizontal cuestick at a height above the surface. The value of so that the sphere performs pure rolling motion immediately after it has been struck is
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) Let
From the above two equations, From the condition of pure rolling,
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be the velocity of the centre of mass of the sphere and 
be the angular velocity of the body about an axis passing through the centre of mass
127 votes
Answer Link
127