Question

Define the term pulley. What for single fixed pulley is commonly used.

Answer 1

1. A pulley is a metallic disc with a grooved rim and a string is passed around the groove at the rim.
2. A pulley that has its axis of rotation fixed in position is called a single fixed pulley. It is used to change the direction of effort.
3. A single fixed pulley is commonly used in drawing water from village wells.