Aman Bansal
Last Activity: 13 Years ago
Dear Naveen,
By drawing the diagram and splitting the forces of A and B on C in components, We only get FASINθ andFBSINθ components which contribute to the net force.
Which gives
F(net) = 2FASINθ (Since, FA=FB)
For the force to be maximum SINθ should be 1
Which yields this result.

here r is the perpendicular distance
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Aman Bansal
Askiitian Expert