Last Updated On [03-11-2023]
A ring, cylinder and solid sphere are placed on the top of a rough incline on which the sphere can just roll without slipping.When all of them are released at the same instant from the same position, then
a)
All of them reach the ground at the same instant
b)
The sphere reaches first and the ring at the last
c)
The sphere reaches first and the cylinder and ring reach together
d)
None of the above
A ring, cylinder and solid sphere are placed on the top of a rough incline on which the sphere can just roll without slipping.When all of them are released at the same instant from the same position, then
a)
All of them reach the ground at the same instant
b)
The sphere reaches first and the ring at the last
c)
The sphere reaches first and the cylinder and ring reach together
d)
None of the above
Question ID - 100476 :-
A ring, cylinder and solid sphere are placed on the top of a rough incline on which the sphere can just roll without slipping.When all of them are released at the same instant from the same position, then
a)
All of them reach the ground at the same instant
b)
The sphere reaches first and the ring at the last
c)
The sphere reaches first and the cylinder and ring reach together
d)
None of the above
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A ring, cylinder and solid sphere are placed on the top of a rough incline on which the sphere can just roll without slipping.When all of them are released at the same instant from the same position, then |
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|
a) |
All of them reach the ground at the same instant |
|
b) |
The sphere reaches first and the ring at the last |
|
c) |
The sphere reaches first and the cylinder and ring reach together |
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d) |
None of the above |
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(a) For a body to roll without slipping on an incline of angle
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is minimum for the sphere, hence 
required is least for the sphere. Here it is given that 
is just sufficient to roll the sphere purely. It means the ring and the cylinder will not roll puarly, so kinetic friction will act on them. Ultimately, friction acting on each of the three will be 
and each of them will have the same acceleration. Hence,all of them reach at the same timeNext Question :
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King of chemicals is: |
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1) |
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2) |
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3) |
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4) |
None of these |
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