Question

An object A of mass 4kg is connected via a light string of a negligible mass over a light frictionless pulley of object B with a mass of 2kg l. Object A slides horizontally on a rough surface while object B slides vertically downwards at 3 meters per second square as shown in the diagram velow

Answer 1

$T_1=m_1(g+a)=52~N,$

$T_2=m_2(g-a)=14~N.$