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Please answer this question! A block of mass M pulled along a horizontal frictionless surface by a rope of mass m.If a force F is applied at one end of the rope, the force which the rope exerts on the block is:-----

Please answer this question! A block of mass M pulled along a horizontal frictionless surface by a rope of mass m.If a force F is applied at one end of the rope, the force which the rope exerts on the block is:-----

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Grade:11

1 Answers

Mudit
67 Points
7 years ago
Total mass of the system=(M+m)kg
Net force on system=F
By Newton’s second law
(M+m)a=F
a=F/(M+m)
Force exerted by rope=a*m
                                =Fm/(M+m) 
which is option B.

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