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 is
${{Pm} \over {M + m}}$
${{Pm} \over {M - m}}$
$P$
${{PM} \over {M + m}}$
Solution
Please login to view the detailed solution steps...
