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Question
Assertion :No work is done by the centripetal force acting on a body moving along the circumference of a circle. Reason: At any instant, the motion of the body is along the tangent to the circle wheres the tripetrtal foece in along the radius vector towards the centre of the circle.
Assertion :No work is done by the centripetal force acting on a body moving along the circumference of a circle. Reason: At any instant, the motion of the body is along the tangent to the circle wheres the tripetrtal foece in along the radius vector towards the centre of the circle.
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
the body remains always at r distance from the center so the net force done by the centripetal force is zero. (displacement and centripetal force are perpendicular to each other.)Hence assertion and Reason are both correct. Hence option 'A' is the answer.
the body remains always at r distance from the center so the net force done by the centripetal force is zero. (displacement and centripetal force are perpendicular to each other.)
Hence assertion and Reason are both correct. Hence option 'A' is the answer.
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Reason: For unidirectional motion of a body, |displacement|=distance.Join BYJU'S Learning Program
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