A block of mass M is 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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a
F/(M + m)
b
F
c
FM/(m + M)
d
zero
answer is C.
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Detailed Solution
Acceleration of system = =Fm+MRope exerts Ma force on block which is equal to =Fm+M