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JEE Main 2015 Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main 2015

A uniform solid cylindrical roller of mass is being pulled on a horizontal surface with force parallel to the surface and applied at its centre. If the acceleration of the cylinder is and it is rolling without slipping then the value of is:

Answer: (1)

Solution

Let be the friction at the contact. Translation: . Rotation about the centre: , so . Adding, , option (1). Equivalently, $F = (1 +

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Question ID VK-115229