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JEE Main 2006 Physics question

PhysicsLaws of MotionJEE Main 2006

A mass of Mkg is suspended by a weightless string. The horizontal force that is required to displace it until the string makes an angle of with the initial vertical direction is

Answer: (1)

Solution

A constant horizontal force F moves the bob from rest to rest (string length l). Work–energy: \sin$45° = Mg l(1 -

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Question ID VK-038739