Question

A simple machine that has
disc with a grooved rim to wind up a string called is_____

Answer 1

I think it’s Pulley .

Answer 2

PULLEY

Step-by-step explanation:

A pulley is an example of a simple type of machine. It is either a wooden or a metallic disc which can rotate about a horizontal axis passing through its centre. It has a grooved rim along which a rope or chain can slide. It is generally mounted in a frame work called a block.