Question

A mass of 9 kg while descending vertically down, drags up a mass of 6 kg by means of a string passing over a smooth pulley . find the acceleration of the system and tension in the string

Answer 1

summing forces about the pulley
9g-6g=15 a
solve for a

tension? 9g-6a=tension

Answer 2

Please don't cheat and use this website do your work and learn! - This is a troll