A uniform yo-yo (longer radius small radius is resting on a perfectly rough horizontal table. This equation should be attempted after forces and are applied separately as shown |
Column-I |
Column- II |
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(A) |
(p) |
Centre of mass of the yo-yo accelerates towards the left |
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(B) |
(q) |
Centre of mass of the yo-yo accelerates towards the right |
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(C) |
(r) |
Friction acts on the yo-yo towards the left |
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(s) |
Friction acts on the yo-yo towards the right |
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CODES : |
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A |
B |
C |
D |
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a) |
B,c |
a,c |
c |
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b) |
d |
b |
a |
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c) |
c |
d |
a |
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d) |
b,c |
d,a |
b |
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A uniform yo-yo (longer radius small radius is resting on a perfectly rough horizontal table. This equation should be attempted after forces and are applied separately as shown |
Column-I |
Column- II |
||||||||
(A) |
(p) |
Centre of mass of the yo-yo accelerates towards the left |
|||||||
(B) |
(q) |
Centre of mass of the yo-yo accelerates towards the right |
|||||||
(C) |
(r) |
Friction acts on the yo-yo towards the left |
|||||||
|
|
(s) |
Friction acts on the yo-yo towards the right |
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CODES : |
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A |
B |
C |
D |
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a) |
B,c |
a,c |
c |
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b) |
d |
b |
a |
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c) |
c |
d |
a |
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d) |
b,c |
d,a |
b |
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(a)
If then is positive
If , then is negative
In (i), since positive, should be clockwise hence is towards the left
Similarly for others