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Figure shows three identical yo-yos init...


Figure shows three identical yo-yos initially at rest on a horizontal surface. For each yo-yo the string is pulled In the direction shown. In each case there is sufficient friction for the yo-yo to roll without slipping. Draw the free-body diagram for each yo-yo in what direction will each yo-yo rotate?

Text Solution

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Torque about bottommost point in each case is clockwise.
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Knowledge Check

  • A yo-yo, arranged as shown, rests on a frictionless surface. When a force F is applied to the string, the yo-yo

    A
    moves to the left and rotates counterclockwise
    B
    moves to the right and rotates counterclockwise
    C
    moves to the left and rotates clockwise
    D
    moves to the right and rotates clockwise

  • In the given figure a ring of mass m is kept on a horizontal surface while a body of equal mas 'm' attached through a string Which is wounded on the ring when the system is released the ring rolls without slipping consider the following statements and choose the correct option. (1)acceleration of the centre of mass of ring is (2g)/3 (2) acceleration of the hanging particle is (4g)/3 (3) frictional force (on the ring ) acts along forward direction (4) Frictional force (on the ring) acts along backward direction

    A
    Statement (1) and (2)only
    B
    Statement (2) and (3) only
    C
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    D
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  • A yo-yo is placed on a rough horizontal surface and a constant force F , which is less than its weight, pulls it vertically. Due to this

    A
    frictional force acts towards left, so it will move towards left
    B
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    C
    it will move towards left, so frictional force acts towards left
    D
    it will move towards right so friction force acts towards right

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