A solid sphere of mass 
and redius 
is initially at rest. Solid sphere is gradually lowered onto a truct moving with constant velocity 
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What is the final speed of the sphere’s centre of mass in ground frame when eventually pure rolling sets in
a)
b)
c)
d)
and redius is initially at rest. Solid sphere is gradually lowered onto a truct moving with constant velocity What is the final speed of the sphere’s centre of mass in ground frame when eventually pure rolling sets in
a)
b)
c)
d)
Question ID - 101383 | SaraNextGen Top Answer A solid sphere of mass and redius is initially at rest. Solid sphere is gradually lowered onto a truct moving with constant velocity
What is the final speed of the sphere’s centre of mass in ground frame when eventually pure rolling sets in
a)
b)
c)
d)
A solid sphere of mass and redius is initially at rest. Solid sphere is gradually lowered onto a truct moving with constant velocity
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What is the final speed of the sphere’s centre of mass in ground frame when eventually pure rolling sets in |
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a) |
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b) |
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c) |
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d) |
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(b)
In reference frame of truck, the angular momentum is conserved about 
i.e.,
(i)
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(ii)
On solving Eqs. (i) and (ii), we get
Note that 
is the speed is truck frame; in ground frame, the velocity is 
=
towards the right
The answer is independent of 
or 