SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A yo-yo is placed on a rough horizontal surface and a constant force which is less than its weight, pulls it vertically. Due to this

a)

Friction force acts towards left, so it will move towards left

b)

Friction force acts towards right, so it will move towards right

c)

It will move towards left, so friction acts towards left

d)

It will move towards right so friction force acts towards right


Question ID - 100318 :-

A yo-yo is placed on a rough horizontal surface and a constant force which is less than its weight, pulls it vertically. Due to this

a)

Friction force acts towards left, so it will move towards left

b)

Friction force acts towards right, so it will move towards right

c)

It will move towards left, so friction acts towards left

d)

It will move towards right so friction force acts towards right

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

 will provide anticlockwise torque about the centre due to which the bottommost point will tend to move towards right, so friction will act towards left. So it will move towards left



Next Question :

If root of flowering plant has 24 chromosomes then its gamete has how many chromosomes?

1)

24

2)

12

3)

4

4)

8


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