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 |
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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
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) |
(b)
In reference frame of truck, the angular momentum is conserved about i.e.,
(i)
(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