A pulley system has a velocity ratio 3 and an efficiency of 80%. Draw

1.	A pulley system has a velocity ratio 3 and an efficiency of 80%. Draw a labelled diagram of this pulley system. Calculate : (a) the mechanical advantage of the system, and (b) the effort required to raise a load of 300 N.
Answer» A pulley system has a velocity ratio 3 and an efficiency of $80 %$ . Draw a labelled diagram of this pulley system. Calculate : (a) the mechanical advantage of the system, and (b) the effort required to raise a load of 300 N.

A pulley system has a velocity ratio 3 and an efficiency of 80%. Draw a labelled diagram of this pulley system. Calculate : (a) the mechanical advantage of the system, and (b) the effort required to raise a load of 300 N.

Answer»

A pulley system has a velocity ratio 3 and an efficiency of $80 %$ . Draw a labelled diagram of this pulley system. Calculate :

(a) the mechanical advantage of the system, and

(b) the effort required to raise a load of 300 N.