15. The given figure shows a heavy block of mass M kept on a frictionless surface and being pulled by two ropes ofequal mass m. Att = 5 s, the force on the left ropeis withdrawn but the force on the right end continuesto act. Find the magnitude of the force by the rightrope on the block.A. MF/m+2mB. (M+m) F/M+2mc none of these

15. The given figure shows a heavy block of mass M kept on a frictio

1.	15. The given figure shows a heavy block of mass M kept on a frictionless surface and being pulled by two ropes ofequal mass m. Att = 5 s, the force on the left ropeis withdrawn but the force on the right end continuesto act. Find the magnitude of the force by the rightrope on the block.A. MF/m+2mB. (M+m) F/M+2mc none of these
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