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Assertion: The motion of a particle under the central force is always confined to a plane. Reason: Angular momentum is always conserved in the motion under a central force.A. If both the assertion and reason are true and reason is a true explantion of the assertion.B. If both the assertion and reason are true but the reason is not true the correct explantion of the assertion.C. If the assertion is true but reason falseD. If both the assertion and reason are false. |
Answer» Correct Answer - A A central force is always directed towards or away from a fixed point, along the point of application of the force with respect to the fixed point. In motion of a particle under the central force the angular momentum is always coserved. From this, it follows that the motion of a particle under the central force is always confined to a plane. |
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