Question

a mass of 3kg rests on smooth horizontal table connected by a light string passion over a smooth pulley at the edge of the table to another mass of 2kg hanging vertically. when the system is released from rest with what acceleration do the masses move and what is the tension in the string g=10metre per seconds square

Answer 1

F=ma

the tension in the string is the downward weight of the 2kg mass.

The force on the 3kg mass is that weight.