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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

A particle of mass is tied to one end of a string of length , whose other end is fixed, and is rotated along a horizontal circular path with speed . The work done by the tension in moving through half the horizontal circle is **[MP PET 2008]**

Answer: (A)

Solution

The string tension is always directed radially (toward the centre), perpendicular to the particle's

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Question ID VK-157627