PhysicsMedium68×since 2002Q7566A block of mass MMM is pulled along a horizontal frictionless surface by a rope of mass m.m.m. If a force PPP is applied at the free end of the rope, the force exerted by the rope on the block isAPmM+m{{Pm} \over {M + m}}M+mPmBPmM−m{{Pm} \over {M - m}}M−mPmCPPPDPMM+m{{PM} \over {M + m}}M+mPMCheck answerSkip