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QJEEM24Phdaf0: JEE Main 2024 Physics - Class 11 JEEM24Phdaf0 Solution: A metal wire of uniform mass density having length L and mass M …

A metal wire of uniform mass density having length L and mass M is bent to form a semicircular arc and a particle of mass m is placed at the centre of the arc. The gravitational force on the particle by the wire is :

Multiple Choice Options

  • A GmMπ2 L2
  • B GMmπ2 L2
  • C 0
  • D 2GmMπL2

Step-by-Step Verified Solution

JEE Main 2024 (Online) 4th April Morning Shift Physics - Gravitation Question 18 English Explanation

Field at centre due to arc, I=2GMπL2

∴ Net force on mass, F=2GMmπL2

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