A boy able to lift a bag containing books of 30 N placed at an end of the see-saw by applying a force of 5 N at another end. Find the mechanical advantage of the see-saw.

A boy able to lift a bag containing books of 30 N placed at an end of

1.	A boy able to lift a bag containing books of 30 N placed at an end of the see-saw by applying a force of 5 N at another end. Find the mechanical advantage of the see-saw.
Answer» Solution :LOAD = 30 N Effort = 5 N MECHANICAL advantage=Load/Effort `:.MA=(30)/(5)=6`.