11th Class Physics Systems Of Particles & Rotational Motion / कणों के निकाय तथा घूर्णी गति Question Bank Systems Of Particles & Rotational Motion Conceptual Problems

  • question_answer
    Why are we not able to rotate a wheel by pulling or pushing along its radius?

    Answer:

                      This is because radial component of the applied force cannot produce torque. \[\tau =rF\sin \theta =0\times F\sin \theta =0\]


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