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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

CODES :

 

A

B

C

D

 

 

a)

B,c

a,c

c

 

 

 

b)

d

b

a

 

 

 

c)

c

d

a

 

 

 

d)

b,c

d,a

b

 

 

 



Question ID - 100984 | SaraNextGen Top Answer

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

CODES :

 

A

B

C

D

 

 

a)

B,c

a,c

c

 

 

 

b)

d

b

a

 

 

 

c)

c

d

a

 

 

 

d)

b,c

d,a

b

 

 

 

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

If then  is positive

If , then  is negative

In (i), since  positive,  should be clockwise hence  is towards the left

Similarly for others

127 votes


127