A block of mass M is pulled along a horizontal frictionless surface by a rope of mass m. If a force P is applied at the free end of the rope, the force exerted by the rope on the block will be 

(1) P

(2) PmM+m

(3) PMM+m

(4) PmMm

Concept Videos :-

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Concept Questions :-

Application of laws

(3)

Acceleration of the system =Pm+M

The force exerted by rope on the mass =MPm+M

Difficulty Level:

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