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Question
If the torque acting on a rigid body under the application of a force is zero then which of the following is possible :
If the torque acting on a rigid body under the application of a force is zero then which of the following is possible :
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Solution
The correct option is C Angular momentum is conserved
As force is rate of change of linear momentum. as force is non-zero, linear momentum changes and is not conserved. Also Translational Kinetic energy changes.
Also, as torque is rate of change of angular momentum. Torque is zero means angular momentum is conserved.
So option D is correct.
As force is rate of change of linear momentum. as force is non-zero, linear momentum changes and is not conserved. Also Translational Kinetic energy changes.
Also, as torque is rate of change of angular momentum. Torque is zero means angular momentum is conserved.
So option D is correct.
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