A string passes over a weightless pulley and has two weights of 1 kg and 4 kg tide at its two ends. The pulley is hung from the hook of a spring balance. When the attached weights start moving due to the action of gravity, what will be the reading on the spring balance?

A string passes over a weightless pulley and has two weights of 1 kg a

1.	A string passes over a weightless pulley and has two weights of 1 kg and 4 kg tide at its two ends. The pulley is hung from the hook of a spring balance. When the attached weights start moving due to the action of gravity, what will be the reading on the spring balance?
Answer» ANSWER :3.2 KG