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 a force is applied at right angles to the heavy door at the outer edge while closing or opening it?

    Answer:

                    Torque, \[\tau =rF\sin \theta .\] For a force applied at right angle to the outer edge of the door both \[\sin \theta (=\sin {{90}^{\circ }}=1)\]and r are maximum. Hence the torque produced is maximum.


You need to login to perform this action.
You will be redirected in 3 sec spinner