a coumpound pulley is when there is a fixe pulley and movable pulley working together
a coumpound pulley is when there is a fixe pulley and movable pulley working together
the pulley was invented in the 1956
Fixed Pulley and Compound Pulley.
obama
block and tackle
The simple pulley was invented in ancient times by an unknown person. The compound pulley was invented by Archimedes.
The bicycle is not a simple machine, there are too many interacting moving parts.
a fishing rod
Simple pulley. Compound pulley. The reel is composed of two or more pulleys.
The 3 kinds of pulley are the Fixed, Movable and Compound Pulley.
fixed, movable, compound.
Archimedes invent the compound pulley around 250 BC. The invention was to utilize leverage to make moving a heavy object easier.